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| integrators manual GR64 gsm/gprs wireless cpu reference: ??? revision: ??? date: 19/09/2006
GR64 integrators manual page: 2/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable theinformationcontainedinthis documentisthep roprietaryinformationofwavecominc. the contents are confidential and any disclosure to persons other than the officers, employees,agentsorsubcontractorsoftheowneror licenseeofthisdocument,withoutthe priorwrittenconsentofwavecominc,isstrictlyp rohibited. further, no portion of this publication may be repr oduced, stored in a retrieval system, or transmittedinanyformorbyanymeans,electronic ormechanical,includingphotocopying andrecording,withoutthepriorwrittenconsentof wavecominc,thecopyrightholder. firstedition(march2006) secondedition(may2006) thirdedition(september2006) wavecomincpublishesthismanualwithoutmakingan ywarrantyastothecontentcontained herein. further wavecom inc reserves the right to m ake modifications, additions and deletions to this manual due to typographical error s, inaccurate information, or improvementstoprogramsand/orequipmentatanyti meandwithoutnotice.suchchanges will,neverthelessbeincorporatedintonewedition softhismanual. allrightsreserved. ?wavecominc,2006 printedinus GR64 integrators manual page: 3/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable revisionhistory revisionhistory revisionhistory revisionhistory edition changeinformation first firstedition second updatedfccmarkingrequirements signalconnectivitytableupdated modifieddescriptionofuart1signalbehaviour third reviewcommentimplementations GR64 integrators manual page: 4/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable contents contents contents contents 1 introduction....................................... ................................................... . 8 1.1 targetusers....................................... ................................................... ...................8 1.2 prerequisites ...................................... ................................................... ...................8 1.3 manualstructure................................... ................................................... .............8 1.4 notation ........................................... ................................................... ....................9 1.5 acknowledgements................................... ................................................... ...........9 2 GR64wirelesscpu.................................. ............................................. 10 2.1 abouttheGR64 ..................................... ................................................... ..............10 2.2 wirelesscpuinacommunicationsystem ............. .............................................11 2.3 features ........................................... ................................................... ....................13 2.3.1 typesofwirelesscpuequipment.................... ..............................................13 2.3.2 shortmessageservice .............................. ................................................... .13 2.3.3 voicecalls........................................ ................................................... ...........14 2.3.4 data ............................................... ................................................... ...............14 2.3.5 gprsmultislotsupport ............................ ..................................................1 5 2.3.6 simcard ........................................... ................................................... ............15 2.3.7 powerconsumption.................................. ................................................... ..15 2.3.8 operatingenvironment .............................. ..................................................1 6 2.3.9 otherfeatures..................................... ................................................... .......16 2.4 serviceandsupport ................................ ................................................... ...........17 2.4.1 webpages.......................................... ................................................... ............17 2.4.2 atcommandsmanual ................................. ..................................................1 7 2.4.3 m2mpowerapplicationguide ......................... ..............................................17 2.4.4 developerskit .................................... ................................................... ........17 2.5 precautions........................................ ................................................... .................18 2.6 guidelinesforsafeandefficientuse.............. ................................................... 18 2.6.1 generalusage ...................................... ................................................... .......18 2.6.2 radiofrequency(rf)exposureandsar.............. ........................................19 2.6.3 personalmedicaldevices ........................... ..................................................1 9 2.6.4 disposalofoldelectronicequipment ............... .......................................20 GR64 integrators manual page: 5/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 2.7 productmarking .................................... ................................................... ...........20 3 abbreviations ...................................... ................................................ 21 4 mechanicaldescription ............................. ........................................... 24 4.1 interfacedescription.............................. ................................................... ..........24 4.2 physicaldimensions ................................ ................................................... ...........26 5 systemconnectorinterface......................... ......................................... 28 5.1 overview........................................... ................................................... ....................28 5.2 dealingwithunusedpins ........................... ................................................... .......31 5.3 generalelectricalandlogicalcharacteristics..... .......................................33 5.3.1 leveltranslatorinterfaces ........................ ...............................................34 5.4 grounds ............................................ ................................................... ...................35 5.4.1 analogueground(aref)............................. ..................................................3 6 5.4.2 commonground(gnd)................................ ..................................................3 6 5.5 regulatedpowersupplyinput(vcc) ................. ..................................................3 7 5.6 voltagereference(vref)........................... ................................................... ........39 5.6.1 vrefasanoutputfromthewirelesscpu ............ ......................................40 5.6.2 vrefasaninputtothewirelesscpu ............... ...........................................41 5.7 batterycharginginput(chg_in).................... ................................................... ..41 5.7.1 chargingprocess ................................... ................................................... ....43 5.7.2 seriesdiode ....................................... ................................................... ...........44 5.7.3 batteryselection .................................. ................................................... .....44 5.8 poweringthewirelesscpuonandoff(on/off) ...... .........................................47 5.8.1 turningthewirelesscpuon ........................ ................................................47 5.8.2 turningthewirelesscpuoff....................... ................................................49 5.9 analogueaudio ..................................... ................................................... .............51 5.9.1 auxiliaryaudiotowirelesscpu(auxi)............. ...........................................52 5.9.2 auxiliaryaudiofromwirelesscpu(auxo)........... .......................................53 5.9.3 microphonesignals(micip,micin).................. ..............................................54 5.9.4 speakersignals(earp,earn) ....................... ..................................................5 5 5.10 pcmdigitalaudio(ssp)............................ ................................................... .......56 GR64 integrators manual page: 6/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.10.1 pcmdataformat .................................... ................................................... ....57 5.11 serialdatainterfaces............................. ................................................... ......59 5.11.1 uart1 .............................................. ................................................... ..............59 5.11.2 uart3(dtm3,dfm3) ................................. ................................................... ....63 5.11.3 usb ................................................ ................................................... .................64 5.12 simcardinterface ................................. ................................................... ........65 5.12.1 simdetection(simdet)............................. ................................................... ...67 5.13 service/programming ................................ ................................................... ....68 5.14 buzzer ............................................. ................................................... ..................69 5.15 led................................................ ................................................... .....................70 5.16 generalpurposeio ................................. ................................................... ........71 5.16.1 embeddedapplications .............................. ................................................... 72 5.16.2 led/io6capabilities ............................... ................................................... .....73 5.16.3 adin4.............................................. ................................................... ...............73 5.17 digitaltoanalogueconverterCdac[notimplemente dyet] ...................73 5.18 analoguetodigitalconverters(adin1,adin2,adin3 ,adin4) ...................74 5.19 i2cserialcontrolbus ............................. ................................................... ......76 5.20 bursttransmission(tx_on)......................... ................................................... ..77 5.21 realtimeclock.................................... ................................................... ...........78 5.21.1 realtimeclockbackupsupply(vrtc)............... ..........................................79 5.21.2 rtcalarm(alarm) .................................. ................................................... ....81 6 antennaconnector .................................. ............................................ 82 7 hintsforintegratingthewirelesscpu ............. ..................................... 83 7.1 safetyadviceandprecautions...................... ................................................... ..83 7.1.1 general............................................ ................................................... .............83 7.2 simcard ........................................... ................................................... ....................84 7.3 antenna ............................................ ................................................... ...................84 7.4 installationofthewirelesscpu................... ................................................... ..85 7.4.1 wheretoinstallthewirelesscpu .................. ............................................85 GR64 integrators manual page: 7/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 7.4.2 howtoinstallthewirelesscpu .................... .............................................86 7.5 antenna ............................................ ................................................... ...................87 7.5.1 general............................................ ................................................... .............87 7.5.2 antennatype ....................................... ................................................... ........88 7.5.3 antennaplacement .................................. ................................................... ..88 7.5.4 theantennacable.................................. ................................................... ....88 7.5.5 possiblecommunicationdisturbances ................ ......................................89 8 embeddedapplications.............................. .......................................... 90 8.1 features ........................................... ................................................... ....................90 8.2 implementation..................................... ................................................... ..............90 8.2.1 limitations........................................ ................................................... ...........91 8.2.2 m2mpoweride(integrateddevelopmentenvironment).. .........................91 9 tcp/ipstack ....................................... ................................................. 92 9.1 implementation..................................... ................................................... ..............92 10 technicaldata ..................................... ................................................ 93 10.1 mechanicalspecifications .......................... ................................................... ..93 10.2 powersupplyvoltage,normaloperation ............. .......................................94 10.3 radiospecifications ............................... ................................................... .......94 10.4 simcard ........................................... ................................................... ................95 10.5 environmentalspecification ........................ ..................................................9 5 11 regulatorynotices................................. .............................................. 98 12 introductiontotheuniversaldeveloperskit ...... ................................ 103 GR64 integrators manual page: 8/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 1 introduction 1.1 targetusers the GR64 wireless cpus are designed to be integrate d into machinetomachine or mantomachinecommunicationsapplications. they are intended to be used by manufacturers, syst em integrators, applications developersanddevelopersofwirelesscommunication sequipment. 1.2 prerequisites it is assumed that the person integrating the wirel ess cpu into an application has a basicunderstandingofthefollowing: gsmnetworking; wirelesscommunicationandantennas(aerials) atcommands itutstandardv.24/v.28 microcontrollersandprogramming electronichardwaredesign 1.3 manualstructure thismanualiscomposedofthreeparts. part1 part1 part1 part1 overview overview overview overview this section provides a broad overview of the gx64 family and includes a list of abbreviationsusedinthemanual. part2 part2 part2 part2 integratingthe integratingthe integratingthe integratingthewirelesscpu wirelesscpu wirelesscpu wirelesscpu thissectiondescribeseachofthesignalsavailabl eontheGR64wirelesscpu,along with mechanical information. the section also provi des the integrator with design guidelines and what is needed to commercialize an a pplication from a regulatory pointofview. part3 part3 part3 part3C CC Cdeveloperskit developerskit developerskit developerskit thissectionliststhecontentsofthedevelopers kitandprovidestheinformationto setupandusetheequipment. GR64 integrators manual page: 9/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 1.4 notation the following symbols and admonition notation are u sed to draw the readers attentiontonotableorcruciallyimportantinforma tion. note drawsthereadersattentiontopertinent,usefulor interesting information tip providesadvice,suggestions,guidanceorrecommend ationswhich augmenttheformaltext caution cautionaryinformationmustbeheeded,itdrawsthe readersattention totheneedforunderstanding,careorwatchfulness inrelationtothe informationprovided warning notesmarkedwarningmustbeheeded,theyalertrea dersto precautionarymeasures,risks,hazardsorsafetyi nformationwhich directlyeffectsequipmentfunction,warrantyorpe rsonnelsafety danger thisinformationmustbeheeded,itidentifiesinfo rmationand cautionarybehaviourthatotherwiseignoredcouldr esultin catastrophicequipmentfailure,bodilyinjuryorde ath 1.5 acknowledgements parts of this document, including text passages, ta bles, and illustrations, are reproducedfromcopyrightinformationbykindpermi ssionofageresystemsinc. tip caution ! warning danger note GR64 integrators manual page: 10/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 2 GR64wirelesscpu 2.1 abouttheGR64 the wavecom gx64 family of devices are quad band gs m/gprs wireless cpus operatinginthegsm850/900/1800/1900bands. these products belong to a new generation of waveco m wireless cpus, and are intended to be used in machinetomachine applicati ons and mantomachine applications. theyareused whenthereisaneedt osendandreceive data(bysms, csd,orgprs),andmakevoicecallsoverthegsmne twork. theGR64conformstotheeuropeanunion(eu)restri ctionofhazardoussubstances (rohs)directive2002/95/ec. theGR64isavailableintwohardwarevariants.tab le1liststhehardwarefeaturesfor eachvariant.thedeviceisavailableintwohardw arevariants: GR64001.nousbinterfaceoranintegratedsimcar dholder.vrefisan outputtotheapplication. GR64002.usbinterfaceandanintegratedsimcard holder.vrefisonthis variantaninputfromtheapplication. table1:GR64hwvariants variant vrefinput usb simcardholder GR64001 no no no GR64002 yes yes yes each hardware variant comes in two software variant s. one software variant is designed to be controlled from a microcontroller s ituated on the host application. the other software variant offers the option to run applications embedded onto the wireless cpu itself. when using the embedded appli cation version the controlling scriptcanberuninternaltothewirelesscpu,wit horwithouttheuseofanexternal control. a typical application, involves a microcontroller and a wireless cpu, in which the microcontroller sends at commands to the wireless cpu via an rs232 communicationslink. GR64 integrators manual page: 11/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 2.2 wirelesscpuinacommunicationsystem figure1andfigure2illustratethemainblocksof awirelesscommunicationsystem usingthewirelesscpu.figure1showsthecommunic ationsystemwhenthescriptis embeddedonthewirelesscpuandfigure2showsthe communicationsystemwhena microcontrollerisused.theyalsoshowthecommun icationprinciplesofthesystem andtheinterfacebetweenthewirelesscpuandthe application.thedefinitionsinthe figures, as used elsewhere in this manual, are in a ccordance with the recommendationsof3gppts27.007. the ms represents the wireless cpu and sim card. th e wireless cpu excluding sim card,isknownastheme. thedte(dataterminalequipment)isthecontrollin gapplication.thiscanbeeitheran externalhostoraninternalembeddedapplication. thedce(datacircuitterminatingequipment)isthe serialcommunicationinterfaceof thems. sim sim gsm engine gsm engine dce dce dte dte system interface dc power status & response command & control embedded application ms gsm network sim sim gsm engine gsm engine dce dce dte dte system interface dc power status & response command & control embedded application ms gsm network figure1:mainblocksinawirelesssystem(embedde dapplication) GR64 integrators manual page: 12/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable sim sim gsm engine gsm engine dce dce dte dte system interface status & response command & control ms gsm network dc power GR64 sim sim gsm engine gsm engine dce dce dte dte system interface status & response command & control ms gsm network dc power GR64 figure2:mainblocksinawirelesssystem(externa lmicrocontroller) in accordance with the recommendations of itut (in ternational telecommunication uniontelecommunicationsstandardizationsector) v.24,thetecommunicateswith themsoveraserialinterface. thefunctionsofthewirelesscpufollowtherecomm endationsprovidedby3gpp(3rd generation partnership project) and itut. 3gpp is a collaboration agreement that was established in december 1998. the collaboratio n agreement brings together a number of telecommunications standards bodies which are known as organizational partners . the current organizational partners are arib, cc sa, etsi, atis, tta, and ttc. 3gppspecifiesasetofatcommandsforcontrolling thegsmelementofthewireless cpu;thesecommandsaresupplementedbywavecomspe cificcommands. tofindouthowtoworkwithatcommands,seethea tcommandsmanual. GR64 integrators manual page: 13/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 2.3 features thewirelesscpuperformsasetoftelecomservices (ts)accordingto3gpprelease99 and itut. the functions of the wireless cpu are i mplemented by issuing at commandsoveraserialinterface. 2.3.1 typesofwirelesscpuequipment the GR64 is a fully quad band capable gsm/gprs wire less cpu with the characteristicsshowninthetablebelow. feature gsm850 egsm900 gsm1800 gsm1900 tx 824849 880915 17101785 18501910 frequencyrange(mhz) rx 869894 925960 18051880 19301990 channelspacing 200khz 200khz 200khz 200khz numberofchannels 124 174 374 299 numberoftdslots 8 8 8 8 duplexspacing 45mhz 45mhz 95mhz 80mhz gsmpowerclass 4(2w) 4(2w) 1(1w) 1(1w) modulation gmsk receivesensitivity <102dbmatantennaconnector gprsmultislotclass class10 2.3.2 shortmessageservice thewirelesscpusupportsthefollowingsmsservice s: sending;mo(mobileoriginated)withbothpdu(prot ocoldataunit)andtext modesupported receiving;mt(mobileterminated)withbothpduand textmodesupported GR64 integrators manual page: 14/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable cbm(cellbroadcastmessage);aserviceinwhicha messageissenttoall subscriberslocatedinoneormorespecificcellsi nthegsmnetwork(for example,trafficreports) smsstatusreportaccordingto3gppts23.40 the maximum length of a text mode sms message is 16 0 characters using 7bit encoding.thewirelesscpusupportsuptosixconc atenatedmessagestoextendthis function.concatenationisperformedbythehosta pplication. 2.3.3 voicecalls the wireless cpu offers the capability of mo (mobil e originated) and mt (mobile terminated) voice calls, as well as supporting emer gency calls. multiparty, call waiting and call divert features are available. so me of these features are network operatorspecific. for the interconnection of audio, the wireless cpu offers both single ended and balanced analogue input and output lines. direct in terface to the digital pcm (pulse codemodulation)bususedwithinthewirelesscpui savailable,thusbypassingthe internal analogue circuitry. the wireless cpus sup port hr, fr, efr and amr vocoders. 2.3.4 data thewirelesscpusupportsthefollowingdataprotoc ols: gprs(generalpacketradioservice) thewirelesscpuisaclassbterminal.thewirele sscpuisgprsmultislot class10(4+2)enabled,capableofreceivingatama ximumoffourtimeslots perframe(downlink),andtransmittingintwotime slotsperframe(uplink). seesection2.3.5formultislotallocationbyclas s. csd(circuitswitcheddata) theGR64wirelesscpuiscapableofestablishinga csdcommunicationat9.6 kbpsovertheair. GR64 integrators manual page: 15/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 2.3.5 gprsmultislotsupport gsmmultislotclassessupportedbygx64devices maximumslotallocation multislot class downlink uplink active allowable configuration maxdatarate 8 4 1 5 1up;4down 812kbpssend 3248kbpsreceive 1up;4down 812kbpssend 3248kbpsreceive 10 4 2 5 2up;3down 1624kbpssend 2436kbpsreceive 2.3.6 simcard theGR64supportsanexternalsimcard throughits systemconnector. avariantof the GR64 also supports an oncard sim. for dual si m support, automated sim switchingisavailable.both3vand1.8vsimtechn ologyissupported.older,5vsim technologyisnotsupported. a mechanical variant of the gs64 also supports an o ncard sim. for dual sim support, automated simswitching is available. onl y one sim is active at any one time,itisnotpossibletoconcurrentlyregistero nmorethanonenetwork. 2.3.7 powerconsumption feature sleepmode drx8 idlemode transmitoperation (peakaverage) voice/csd gsm850 & egsm900 data(gprs) 1.6ma 17ma 2050ma voice/csd gsm850 & egsm900 data(gprs) 1.6ma 16ma 1450ma GR64 integrators manual page: 16/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable the power consumption figures shown represent typic al average current for maximum transmitted power, single uplink (transmit) slot, and single downlink (receive)slot.thewirelesscpuwillconsumemore averagepowerindifferentmulti slotconfigurations,theworstcasebeingthatoft wouplinkandthreedownlinkslots. 2.3.8 operatingenvironment parameter min max units operatingtemperature 30 +75 c humidity 95 % storagetemperature 40 +85 c forcompletedetailsoftheenvironmentalspecifica tionpleasereferto10.5. 2.3.9 otherfeatures theGR64supportsmanyotherfeatures,including: 3gppts27.010multiplexing simapplicationtoolkit,class2release99compl iant onboardtcp/ipstack in addition, customers have the option of a gs64 so ftware variant which adds embeddedapplicationfunctionality. GR64 integrators manual page: 17/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 2.4 serviceandsupport 2.4.1 webpages visitthewavecomextranetwebsiteforthefollowi nginformation: wheretobuywirelesscpusorforrecommendations concerningaccessories andcomponents localcontactdetailsforcustomersupportinthe region faqs(frequentlyaskedquestions) accesstothewavecomextranetsiterequiresauser accountandpassword.accounts canbearrangedthroughthelocalaccountmanager. theextranetwebsiteaddressis: http://www.wavecom.com/modules/movie/scenes/support / 2.4.2 atcommandsmanual theatcommandsmanualprovidesuserswithallthe atcommandsthatcanbeused with the wireless cpu. at commands appear in logica l groups and contain the command,adescriptionofitsfunctionalityandan exampleofuse. 2.4.3 m2mpowerapplicationguide them2mpowerapplicationguideprovidesuserswith alltheinformationtheyneedto build an application using the m2mpower support env ironment. this manual is suppliedaspartofthem2mpowerpackage. 2.4.4 developerskit wavecom provides the developers kit to get the int egrator started quickly. the kit includes the following hardware which is required t o begin the development of an application: thisintegratorsmanual developerskithardware developerskitaccessories powersupply rs232cable headset antenna GR64 integrators manual page: 18/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable make sure to order the m2m wireless cpu(s) that are applicable to the needs of the organization. also, ensure that the integrator hav e computer or microcontroller. theatcommandmanualprovidesthenecessarycomman dandcontrolreferenceto drivethewirelesscpu. 2.5 precautions thewirelesscpusareesdprotectedupto15kvon all2.8viopins.allotherpins are protected up to 2kv. integrators must follow e lectronic device handling precautions when working with any electronic device system to ensure no damage occurstothehostorthewireless cpu.inthesect ionintegratingthewirelesscpu, users will find more information about safety and p roduct care. do not exceed the environmentalandelectricallimitsasspecifiedin technicaldatasection. 2.6 guidelinesforsafeandefficientuse users must follow the general usage outlined in thi s chapter before using the GR64 foranypurpose. 2.6.1 generalusage alwaystreattheproductwithcareandkeepitin acleananddustfreeplace. donotexposetheproducttoliquid. avoidexposingtheproducttomoistureorhighhum idityenvironments. donotexposetheproducttoextremehighorlowt emperaturesbeyondthose specifiedforoperationandstorage. donotexposetheproducttoopenflamesorlitto baccoproducts. donotdrop,throwortrytobendtheproduct. donotpainttheproduct. donotusetheproductnearmedicalequipmentwith outrequesting permission. donotusetheproductwhenin,oraroundaircraft ,orareaspostedturnoff twowayradio. donotusetheproductinanareawhereapotentia llyexplosiveatmosphere exists. donotplacetheproductorinstallwirelessequip mentintheareaabovea vehiclesairbag. GR64 integrators manual page: 19/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable donotattempttodisassembletheproduct;onlywa vecomauthorized personnelshouldperformservicing. 2.6.2 radiofrequency(rf)exposureandsar the wireless cpu device is a lowpower radio transm itter and receiver (transceiver). when it is turned on, it emits low levels of radio frequency energy (also known as radiowavesorradiofrequencyfields). governments around the world have adopted comprehen sive international safety guidelines, developed by scientific organizations, e.g. icnirp (international commissiononnonionizingradiationprotection)an dieee(theinstituteofelectrical andelectronicsengineersinc.),throughperiodica ndthoroughevaluationofscientific studies. these guidelines establish permitted level s of radio wave exposure for the generalpopulation. the levelsincludeasafety mar gindesignedtoassurethesafety of all persons, regardless of age and health, and t o account for any variations in measurements. specific absorption rate (sar) is the unit of measu rement for the amount of radio frequency energy absorbed by the body when using a transceiver. the sar value is determinedatthehighestcertifiedpowerlevelin laboratoryconditions,buttheactual sar level of the transceiver while operating can be well below this value. this is becausethetransceiverisdesignedtousethemini mumpowerrequiredtoreachthe network. theGR64wirelesscpudevicehasbeenapprovedfor applicationswheretheantenna is located >20cm from the body. in all other config urations the integrator is responsibleformeetingthelocalsarregulations. integrators of the GR64 wireless cpu device are res ponsible for ensuring that they meet the sar regulatory requirements of the countri es in which they intend to operate the device, and that their documentation co ntains the relevant sar declaration,certificationinformation,andusergu idanceasappropriate. 2.6.3 personalmedicaldevices wireless cpu devices may affect the operation of ca rdiac pacemakers, hearing aids andcertainotherimplantedequipment.ifaminimu mdistanceof15cm(6inches)is maintainedbetweentheGR64wirelesscpusradiatin gantennaandapacemaker,the riskofinterferenceislimited.iftheintegrator sapplicationislikelytobesituatedin the vicinity of personnel, a suitable warning shoul d be contained in the equipment manualtothiseffect. GR64 integrators manual page: 20/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 2.6.4 disposalofoldelectronicequipment thissymbolontheproductoronitspackagingindi catesthatthisproductshallnot be treated as household waste. instead it shall be handed over to an appropriate collection point for the recycling of electrical an d electronic equipment. by ensuring this product is disposed of correctly, the integrat or will help prevent potential negativeconsequencesfortheenvironmentandhuman health,whichcouldotherwise becausedbyinappropriatewastehandlingofthisp roduct.therecyclingofmaterials willhelptoconservenaturalresources.formored etailedinformationaboutrecycling of this product, please contact the local city offi ce, the household waste disposal serviceorthewavecomregionalsalesoffice. 2.7 productmarking attention must be drawn to the regulatory notices c ontained in section 11, specificallytheparagraphpertainingtothefccma rkingrequirementsfordevicesin whichtheGR64isinstalled.anydevicethatinteg ratestheGR64,whichissubjectto fcc regulatory approval, must have an exterior labe l identifying the GR64 fcc id number. GR64 integrators manual page: 21/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 3 abbreviations abbreviation explanation amr adaptivemultirate cbm cellbroadcastmessage cps chargingpowersupply csd circuitswitcheddata dce datacircuitterminatingequipment dte dataterminalequipment ea embeddedapplication efr enhancedfullrate emc electromagneticcompatibility etsi europeantelecommunicationstandardsinstitute fr fullrate gprs generalpacketradioservice gps globalpositioningsystem gsm globalsystemformobilecommunication hbm humanbodymodel hr halfrate ide integrateddevelopmentenvironment ip internetprotocol itut internationaltelecommunicationunionCtelecommun ications (standardizationsector) ldo lowdropout m2mpower wavecomspowerfulsupportenvironment GR64 integrators manual page: 22/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable me mobileequipment mmcx microminiaturecoax mo mobileoriginated ms mobilestation(wirelesscpu) mt mobileterminated pcm pulsecodemodulation rf radiofrequency rlp radiolinkprotocol rtc realtimeclock sim subscriberidentitymodule sms shortmessageservice tcp transportcontrolprotocol udk universaldeveloperskit udp userdatagramprotocol GR64 integrators manual page: 23/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable integratingthe wirelesscpu GR64 integrators manual page: 24/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 4 mechanicaldescription 4.1 interfacedescription the pictures below show the mechanical design of th e wireless cpu along with the positions of the different connectors and mounting holes. the wireless cpu is protected with tin coated steel asi 1008/1010 cover s that meet the environmental andemcrequirements. systemconnector wirelessmodem shieldedcircuits systemconnector wirelessmodem shieldedcircuits figure3:wirelesscpuviewedfrombelow antennaconnector mountinghole& groundconnection integratedsimholder antennaconnector mountinghole& groundconnection integratedsimholder figure4:wirelesscpu,viewedfromabove(integrat edsimholdervariant) GR64 integrators manual page: 25/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable pleasenotethefollowing: mountingholespositionedatthecornersmakeitp ossibletosecurelyboltthe wirelesscpuintotheapplication. keypad,display,microphone,speakerandbatterya renotpartofthewireless cpu. fortheGR64variantwithoutanintegratedsimhol der,thesimcardis mountedintheuserapplication,externaltothewi relesscpu(thisisalsoan optionfortheintegratedsimholdervariant). thegs64variantwithoutanintegratedsimholder hasnocomponents mountedonthetopside. thesystemconnectorisa60pinstandard0.05in (1.27mm)pitchtype.the pinsandtheirelectricalcharacteristicsaredescr ibedinsection5,together withthesystemconnectorinterface. informationabouttheantennaconnectorisfoundi nsection6. antennaconnectordetailsarefoundinsection6. GR64 integrators manual page: 26/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 4.2 physicaldimensions figure5:dimensionsofthewirelesscpu(integrate dsimvariant) GR64 integrators manual page: 27/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable figure6:dimensionsofthewirelesscpu(legacyva riant) measurementsaregiveninmillimetres.seealsote chnicaldata,insection10. GR64 integrators manual page: 28/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5 systemconnectorinterface 5.1 overview electricalconnectionstothewirelesscpu(except theantenna),aremadethroughthe systemconnectorinterface.thesystemconnectoris a60pin,standard0.05in(1.27 mm)pitchdevice. the system connector allows both boardtoboard and boardtocable connections tobemade.useaboardboardconnectortoconnect thewirelesscpudirectlytoa pcb, and a boardcable connector to connect the rad io device via a cable. surface mountmatingconnectorsforthe60pinsystemconne ctorareavailablefromharwin (partnumberm503113022). figure7belowshowsthenumberingoftheconnector pins. an optional ground connection is provided at the mo unting hole next to the rf connector on the wireless cpu as shown below. conn ect this ground point to the gnd pins of the wireless cpu by the shortest, lowi mpedance path possible. the purposeofthisconnectionistoallowforantenna esdstrikestobypassthewireless cpusinternalgroundpath. pin1 pin2 pin59 pin60 groundconnection pin1 pin2 pin59 pin60 groundconnection figure7:wirelesscpu,viewedfromunderneath thefollowingtablegivesthepinassignmentsfort hesystemconnectorinterfaceand a short description for each signal. the rightmost column indicates whether the signalisrequiredtobeusedornot. GR64 integrators manual page: 29/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable table2:pinassignments pin name direction function pin req 1 vcc input dcpower yes 2 gnd ground yes 3 vcc input dcpower yes 4 gnd ground yes 5 vcc input dcpower yes 6 gnd ground yes 7 vcc input dcpower yes 8 gnd ground yes 9 vcc input dcpower yes 10 gnd ground yes 11 chg_in input batterychargerpower 12 gnd ground yes adin4 input adcinput4 13 gpio5 in/out generalpurposeio 14 on/off input deviceon/offcontrol yes 15 simvcc output 1.8vor3.0vsimcardsupply yes 1 16 simdet input simpresencedetection yes 1 17 simrst output simcardresetsignal yes 1 18 simdat in/out simcarddata yes 1 19 simclk output simcardclocksignal yes 1 20 dac output pulsewidthmodulatedsignal 21 gpio1 in/out generalpurposeio 22 gpio2 in/out generalpurposeio 23 gpio3 in/out generalpurposeio 24 gpio4 in/out generalpurposeio 25 vrtc input dcsupplyforrealtimeclock 26 adin1 input adcinput1 27 adin2 input adcinput2 28 adin3 input adcinput3 29 sda in/out i 2 cdata 30 scl output i 2 cclocksignal 31 buzzer output buzzeroutput dsr1 output datasetready(uart1) yes 2 32 gpio7 in/out generalpurposeio led output ledcontrolsignal 33 gpio6 in/out generalpurposeio 34 vref in(out) corevoltagereference yes GR64 integrators manual page: 30/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable pin name direction function pin req 35 tx_on output transmitindication ri output ringindicator 36 gpio8 in/out generalpurposeio dtr1 input dataterminalready(uart1) yes 2 37 gpio10 in/out generalpurposeio dcd1 output datacarrierdetect(uart1) 38 gpio11 in/out generalpurposeio rts1 input readytosend(uart1) yes 2 39 gpio9 in/out generalpurposeio cts1 output cleartosend(uart1) yes 2 40 gpio12 in/out generalpurposeio 41 dtm1 input datatowirelesscpufromhost(uart1 ) yes 3 42 dfm1 output datafromwirelesscputohost(uart 1) yes 3 43 dtm3 input datatowirelesscpufromhost(uart3 ) 44 dfm3 output datafromwirelesscputohost(uart 3) 45 usbdp in/out usbdatapositive yes 4 46 usbdn in/out usbdatanegative yes 4 47 sspdtm input serialpcmdatatowirelesscpufro mhost 48 sspdfm output serialpcmdatafromwirelesscpu tohost 49 vusb input usbdcpower yes 4 50 alarm output rtcalarm 51 sspfs in/out serialpcmframesynchronization 52 sspclk in/out serialpcmclock 53 micip input microphoneinputpositive 54 micin input microphoneinputnegative 55 earp output earpieceoutputpositive 56 earn output earpieceoutputnegative 57 auxo output auxiliaryaudiofromwirelesscputo host 58 service input flashprogrammingenablesignal 59 auxi input auxiliaryaudiotowirelesscpufrom host 60 aref analoguereference 1 thesesignalsarerequirediftheexternalsim interfaceisused 2 thesepinconnectionsarerequiredforsleepmo deoperation 3,4 atleastoneoftheseinterfacesisrequiredto beconnected note GR64 integrators manual page: 31/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.2 dealingwithunusedpins integrators applications may connect all of the gr6 4 signals pins, or just those necessary for minimal operation, or most commonly s ome other permutation. if GR64 signal pins are not connected to the host appl ication the integrator should terminatetheminthefollowingmanner. table3:unusedpintermination pin name unusedpintermination 1,3,5,7,9 vcc mustbeconnected 2,4,6,8,10,12 gnd mustbeconnected 11 chg_in leaveopen 13 adin4/gpio5 leaveopen 14 on/off mustbeconnected 15 simvcc leaveopen 16 simdet leaveopen 17 simrst leaveopen 18 simdat leaveopen 19 simclk leaveopen 20 dac leaveopen 21 gpio1 leaveopen 22 gpio2 leaveopen 23 gpio3 leaveopen 24 gpio4 leaveopen 25 vrtc leaveopen 26 adin1 ground 27 adin2 ground 28 adin3 ground 29 sda leaveopen 30 scl leaveopen 31 buzzer leaveopen 32 dsr1/gpio7 leaveopen 33 led/gpio6 leaveopen 34 vref mustbeconnected 1 35 tx_on leaveopen 36 ri/gpio8 leaveopen 1 vrefmustbeusedtorereferencetheapplication logiclevelstothelevelusedbythe GR64,see5.3.1and5.6formoreinformation. GR64 integrators manual page: 32/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable pin name unusedpintermination 37 dtr1/gpio10 leaveopen 38 dcd1/gpio11 leaveopen 39 rts1/gpio9 leaveopen 40 cts1/gpio12 leaveopen 41 dtm1 leaveopen 42 dfm1 leaveopen 43 dtm3 leaveopen 44 dfm3 leaveopen 45 usbdp leaveopen 46 usbdn leaveopen 47 sspdtm leaveopen 48 sspdfm leaveopen 49 vusb leaveopen 50 alarm leaveopen 51 sspfs leaveopen 52 sspclk leaveopen 53 micip connecttoaref 54 micin connecttoaref 55 earp leaveopen 56 earn leaveopen 57 auxo leaveopen 58 service ground 59 auxi connecttoaref 60 aref leaveopen GR64 integrators manual page: 33/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.3 generalelectricalandlogicalcharacteristics the core digital io is based upon 1.8v technology i n the baseband chipset. all externaliosignalsundergobidirectionallevelsh iftingonthephysicalwirelesscpu to provide flexibility to users of different voltag e technology. an internal core io regulatorisusedasareferenceforthewirelessc pusidelogic,whilsttheapplication (hostside)referenceisfedbyvrefinoneoftwo implementations. in order to provide legacy users a migration path t o GR64, the wireless cpu io is made compatible with 2.8v (or leveladapted 3.0v) c ontrollers, popular in older technology applications. this arrangement is imple mented in variant product GR64001andallitsswvariants.intheseproducts the2.8vvrefisderivedfroman internal voltage regulator, distributed to the host side level translators and also outputonthevrefsignalpin. thearrangementdiffersinnonlegacyvariantGR64 productGR64002andallitssw variants. in these products the internal voltage r egulator is disconnected and the userapplicationprovidesthevrefasareferencet othehostsideleveltranslators. therangeofvrefvoltagesisspecifiedinsection 5.6. manyofthesignalsindicatedintable2arehighs peedcmoslogic inputsoroutputspoweredbythe1.8vinternalcore regulators,and thensubsequentlylevelshiftedatthesysteminter face.allserial interfacesandgeneralpurposeiofallintothisc ategory. note GR64 integrators manual page: 34/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.3.1 leveltranslatorinterfaces two different level translator circuits are impleme nted in GR64. the common interfaceisusedonallleveltranslatediowitht heexceptionofthei2csignals,sda &scl. 5.3.1.1 commonleveltranslatorinterface the common level translator used within the GR64 us es a maxim max3001e. the leveltranslatorshavebuiltinesdprotectionto 15kv(hbm). figure8:commonleveltranslatorcircuitryusingm ax3001 vrefrepresentstheapplicationsidewhilevlrepre sentsthewirelesscpuside. table4:leveltranslatori/ologiclevels parameter min nom max unit ioinputvoltagehighthreshold(v ihc ) 0.75*vref vref v ioinputvoltagelowthreshold(v ilc ) 0 0.3 v iooutputvoltagehighthreshold(v ohc ) 0.67*vref vref v iooutputvoltagelowthreshold(v olc ) 0 0.4 v riseandfalltime(c l =15pf) 15 ns ioinputimpedance(pulledtovreforgnd) 6 kohm GR64 integrators manual page: 35/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.3.1.2 i2cleveltranslatorinterface because of the nature of the i2c interface signals, sda (data) & scl (clock), they utilize a different type of leveltranslating techn ology to that of the common io. the i2c level translator ic uses an open drain con struction with no direction pin, ideally suited to bidirectional low voltage (such as the GR64 1.8 v processor) i2c port translation to the normal 3.3 v or 5.0 v i2cb us signal levels. unlike the common level translators, the i2c level translators have a very low (6.5ohm rdson) resistancebetweeninputandoutputpins. thei2cleveltranslatorsusevrefasthehostside voltagereferenceandtheinternal 1.8vdigitaliocoreasthewirelesscpusiderefer ence. 5.4 grounds pin name direction function 2 gnd ground 4 gnd ground 6 gnd ground 8 gnd ground 10 gnd ground 12 gnd ground 60 aref analoguereference there are two ground connections in the wireless cp u, aref (analogue ground) and gnd(digitalground).pinassignmentsareshownin thetableabove. arefandgndareconnectedatasinglepointinside thewirelesscpu; howevertheymustnotbejoinedtogetherintheuse rapplication. note GR64 integrators manual page: 36/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.4.1 analogueground(aref) arefisthereturnsignal,oranalogueaudiorefere nce,forauxiandauxo.thesetwo signalsprovideasingleendedauxiliaryaudioinpu t(hosttowirelesscpu)andoutput (wireless cpu to host). aref is connected to the c ommon gnd inside the wireless cpuonly.theapplicationmustnotconnectgndand aref.arefistobeusedasa referencesignalfortheapplicationauxiandauxo amplifiers(seefigurebelow). figure9:arefimplementationexampleforauxiand auxo parameter limit unit maximumcurrent(i max ) 12.5 ma 5.4.2 commonground(gnd) gnd is the reference, or return signal, for all sys tem interface digital signals, radio sectionpower,andisalsothedcreturnforthepo wersupply,vcc. to carry the high current drawn by the wireless cpu , the user application circuitry shouldconnectallgndpinstogether. parameter perpin total unit maximumcurrent(i max ) 600 3600 ma maximumaveragecurrent(i avg ) 100 600 ma GR64 integrators manual page: 37/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.5 regulatedpowersupplyinput(vcc) pin name direction function 1 vcc input dcpower 3 vcc input dcpower 5 vcc input dcpower 7 vcc input dcpower 9 vcc input dcpower powerissuppliedtothewirelesscpuvccpins,fro manexternalsource. userapplicationcircuitryshouldconnectallvccp instogetherintocarrythecurrent drawnbythewirelesscpu. theelectricalcharacteristicsforvccareshownin thefollowingtable. parameter mode limit nominal 3.6v min 3.2v max 4.5v absolutemaximum voltagerange 0.3vto6.5v vccsupplyvoltage maximumsupplyripple <100mv@<200khz <20mv@>200khz maximumallowablevoltagedrop transmissionburst 2 00mv 2050mapeak maximumcurrentconsumed fullpower(2w)transmit (singleuplinkslot) 330maaverage stressesinexcessoftheabsolutemaximumlimitsc ancausepermanent damagetothedevice.theseareabsolutestressrat ingsonly.functional operationofthedeviceisnotimpliedattheseor anyotherconditionsin excessofthosegivenintheoperationalsectionso fthedatasheet. exposuretoabsolutemaximumratingsforextendedp eriodscan adverselyaffectdevicereliability. ! warning GR64 integrators manual page: 38/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable thewirelesscpuhasinsufficientinternalcapacita ncetosupplythe largecurrentpeaksduringgsmbursttransmission usethefollowing generalguidelinesindesigningtheapplicationpow ersupply. fitalowesrelectrolyticcapacitorclosetothew irelesscpu(>1,000 m f, withanesr<100mohm) ensurepowersupplytowirelesscpulineresistance is<80mohm thewirelesscpuhasapproximately40 m fofinternalcapacitance acrossthevccpins.duringinitialpoweruptheh ostpowersupply willhavetochargethiscapacitancetotheoperati ngvoltage.this initialinrushcurrentmayexceedthewirelesscpu snormalpeak current,sometimesgreaterthananorderofmagnitu dehigher (dependinguponthepowersupplydesign)forashor tduration (generallyafewmicroseconds). caution tip GR64 integrators manual page: 39/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.6 voltagereference(vref) pin name direction function 34 vref input(output) corevoltagereference GR64providesavoltagereferenceinterfaceforuse rapplications. leveltranslatorsareintegratedintheGR64produc t.theintegratedleveltranslators are referenced to an internal io regulator on the w ireless cpu side and to an application voltage on the user side of the interfa ce (vref). there are two implementationsofvref,dependentupontheusers GR64variant; vrefasanoutput(GR64001variants) vrefasaninput(GR64002variants) figure10:leveltranslatorarrangement thelogicinterfaceimplementationwilldiffer depe ndingonthewirelesscpuvariant used. the table below describes how to design the interface depending on what wirelesscpuisused. GR64 integrators manual page: 40/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable table5:interfaceimplementationdescription GR64 variant applicationlogic voltagelevel(v logic ) implementationrequirements 2.6>v logic >3.0 theapplicationmustimplementlevel translatorstorereferenceitslogiclevelto thelogiclevelusedbythewirelesscpu interface. 001 2.6 GR64 integrators manual page: 41/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.6.2 vrefasaninputtothewirelesscpu theGR64002variantsprovidevrefasareferencein putforthehostsidelogic.this enables users of varying technologies to connect di rectly to the GR64s io by providing a reference voltage from their own applic ation io. the application must applytheirlogicreferencevoltageonvrefandthe nconnecttheirlogici/osdirectly toGR64.thiseliminatestheneedforleveltransl atorsintheapplication. parameter min typ max unit vrefinputvoltage 1.65 5.5 v vrefloadcurrent 100 500 a 5.7 batterycharginginput(chg_in) pin name direction function 11 chg_in input batterychargerpower for battery powered applications, the GR64 provides a charge input (chg_in) pin to aidandsupportbatterycharging.atypicalapplic ationwouldpowerthewirelesscpu directlyfromabatterysourceconnectedtovcc(pi ns1,3,5,7,9)thenprovideadc power source (cps) to the chg_in connection (pin 11 ). the GR64 can control an internalswitchingfetwhichcreatesachargingpat hwaytothebattery.whilepoweris providedatchg_in,thebatterychargecanbemaint ained.ifthepowershouldfailor beremovedatchg_in,theapplicationwillbesuppo rtedbythebatteryalone.when chg_in voltage returns, the battery charging and ma intenance will commence once more. parameter min typ max unit chg_ininputvoltage 4.5 5.5 6.0 v chg_incurrent 500 ma GR64 integrators manual page: 42/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable figure11:GR64chargerimplementation the GR64 wireless cpu supports only one mode of cha rging, microprocessor supervised pulsedcharging. also, the wireless cpu only supports one battery cell type as standard. users may, if they wish, develop charging algorithms and control throughthewavecomm2mpowerembeddedapplications. userswishingtoattempt charging of battery types not supported by the stan dard type, indicated in this document,dosoattheirownrisk. batterychargingalgorithmsareuniquetodifferent batterytypes. wavecomwillnotacceptanyresponsibilityorliabi lityfordamage, productfailures,evendeathorinjuryoccurringas aresultof incompatiblebatteryandchargingalgorithmsbeing applied. safety considerations must be taken into account wh en using the battery charge functionoftheGR64;forexample,monitoringthet emperatureofthebattery.ifthe temperatureofthebatteryexceedsitsspecificatio nlimits, batterychargingmust be stopped immediately. if the battery temperature co ntinues to rise the application should be suspended or the battery disconnected. b attery temperature can be monitoredwithasuitabledetectioncircuit,using theGR64adc1input. whencharginglithiumbatteries,thebatterypackm usthavean internalprotectioncircuitinaccordancewiththe battery manufacturer'sinstructions. caution danger GR64 integrators manual page: 43/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable during microprocessor supervised mode, the GR64 tak es a currentlimited voltage source at the chg_in pin to implement constantcurr ent charging of a single liion cellconnectedtothevccpins. figure12:typicalapplicationforpulsecharginga battery 5.7.1 chargingprocess figure12showsatypicalbatterychargingimplemen tation.thevoltagesourcemust be current limited (500 ma max). a reverse current protection diode prevents external fault conditions from draining the battery . a small (typ 10f) capacitor shouldbeplacedclosetothechg_inpin. in the application shown, a conditioning phase slow ly raises the voltage of a deeply dischargedbatterycelltoalevelsuitableforfas tcharging.aftercellconditioningis complete, the microprocessor uses the GR64s adc co nverter to monitor the cells statusandusesthepowermanagementblocktocontr olthechargefet. achargerequestisinitiated whenanexternalvolt age source(cps)isappliedtothe chg_inpin.however,beforethisrequestispassed tothemicroprocessor,chg_inis verifiedtobegreaterthanvccby150mv,andatl east3.7v.ifthelattercriterionis not met, the wireless cpu limits charging to the co nditioning phase. if the former criterionisnotmet,thechargerequestisignored andallchargingisdisabled.ifthe chg_in voltage exceeds the upper limit of 6.3 v it will be detected by the wireless cpu, but charging is not inhibited. in this case, however, chg_in is outside the normal operating range of the device, so the softwa re will not initiate charging if chg_in>6.3visdetected. thedeltabetweenchg_inandvcciscontinuouslymo nitored;however,thevalidto invaliddetectionhasadelayof46ms.whenchg_i nexceedsvccby150mv,itis considered to be at a valid relative level. it is considered to have an invalid relative GR64 integrators manual page: 44/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable level if it subsequently falls below vcc by 50 mv. if the relative voltage of chg_in goes invalid and remains invalid for the duration o f the detection delay, charging is terminated. as a safety precaution, the battery cell voltage mu st be at least 2.5 v before fast charge is allowed to take place. if the battery cel l voltage is less than 2.5 v, it is considered either deeply discharged or shorted. to protect a liion cell from the damage that may occur if it is fastcharged from th is state, a 3.6 v tricklecharge sourceisusedtosafelyconditionthebatterycell .theconditioningchargecurrentis limitedto50ma,whichformostliioncellsis10 %orlessoftherecommendedcc fastcharge current. in most instances, the batter y cell voltage will be greater than 2.5 v at the time the charge request is initiated, resulting in the conditioning phase beingskipped. thereisalwaysasmallchancethatthechargemana gementblockin theGR64powermanagementasicwillmalfunctionor fail,which couldleadtooverchargingofthebattery.itis strongly recommendedthatanybatterychosenforusewithth eapplicationhas itsownadditionalintegratedovercurrentandover voltage protection. 5.7.2 seriesdiode when charging is disabled, the potential for rapid cell discharge through the body diode inherent in the enhancementmode charging fet , a schottky diode must be placedinbetweentheexternalsourceandthechg_i npin.thediodeshouldhavea forwardcurrentandpowerdissipationratingconsis tent withitsintendeduse,anda maximumforwardvoltagedropof0.6v. 5.7.3 batteryselection whilst there are several rechargeable battery techn ologies commercially available, includingnickelcadmium(nicd),nickelmetalhydri de(nimh),lithiumpolymer(li polymer)andlithiumion(liion),theonlytechnol ogyrecommendedandsupported forusewiththegs64isliion. liionprovidesa goodcombinationof highenergy (3.7v)andlongcyclelife,whichleadtolowovera llenergycost. theweightoflithiumionbatteriesisapproximatel yonehalfcomparedwithanickel cadmium or nickel metal hydride battery of similar capacity. the volume of lithium ionbatteriesis4050%smallerthanthatofnickel cadmiumand2030%smallerthan thatofanickelmetalhydride. GR64 integrators manual page: 45/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable the lithium ion battery is free from the socalled memory effect, a phenomenon associated with nickel cadmium in which the apparen t battery capacity decreases whenshallowchargeanddischargecyclesarerepeat ed. asinglelithiumioncell hasavoltageof 3.7v(me anvalue),whichis equalto either threenickelcadmiumornickelmetalhydridecells connectedinseries.thisvoltage isclosetothenominalvccoftheGR64device. liion batteries generally provide long storage lif e with few limiting condition, and offer problemfree charge after long storage. under normal conditions, the lithium ion battery has a life of more than 500 charge/disc harge cycles. also, liion batteries have a slow selfdischarge rate (typicall y 1.3% per month, compared with nimhbatterieswhichcanexceed50%permonth). lithium ion batteries are environmentally friendly, inasmuch as they do not contain anyheavymetalpollutionsubstancessuchascadmiu m,lead,ormercury. there are many manufacturers of liion batteries wo rldwide. wavecom makes no recommendations with regard to specific vendors, bu t here are some considerations for GR64 users which may prove to be useful in the selection process and implementation: liionbatteriesmarketedforcellular(mobile)ph oneusemaymakeagood choice batterymanufacturerswithheritageinsupplyingt hecellular(mobile)phone industrycouldmakeagoodchoice,especiallyforh ighvolumerequirements lookcarefullyforbatterieswhichareratedatte mperaturesthattheGR64is likelytooperateat(manybatteriesareonlyspeci fiedfor20cto+65c operationwhichmaynotbesufficient) smallformfactor(typicallyhandsetsized)liion batterycapacityvaries considerably,somebatteriesareratedashighas3 200mah(600mahto 1800maharemorecommonlyavailable) weightisgenerallynotaproblemwithtypicalgr6 4userapplication,evenso smallformfactorliionbatteries(upto1800mah) canvarybetween10to40 grams sizeisgenerallyafactorofcapacity,sincelarg ercapacitybatteriesnaturally havemorematerial/cells,andwillrangebetween27 50mm3to18000mm3for smallformfactorliionbatteries thespeedbywhichlithiumionagesisgovernedby temperatureandstate ofcharge;hightemperaturesanddeepdischargewil leffectusefullife ifpossibleavoidfrequentfulldischargesbecause thisputsadditionalstrain onthebattery,partialdischargeswithfrequentre chargesarebetter nevershortcircuittheterminalsofaliionbatt ery donotexposeliionbatteriestomoistureorrain GR64 integrators manual page: 46/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable monitorbatterytemperatureduringchargingusing athermistorplacedonor nearthebatterywiredtoanadcinputonthewirel esscpu liion batteries have a higher esr (compared to ni cd or nimh), although this should not be a limiting factor for peak current de livery, any battery should be capableofatleast50%greaterthantheGR64deman ds(~3apeak) todeterminebatterylife,onafullcharge,thefo llowingruleofthumbcanbeapplied: standbytime=batterycapacity(mah)/idlecurre nt(ma) calltime(voiceordata)=batterycapacity(mah) /callcurrent(ma) example1 example1 example1 example1C CC Cstandbytime: standbytime: standbytime: standbytime: a600mahratedliionbattery,fromfullycharged( around4.2v)tothewirelesscpu cutoff point (3.2v) will provide around 95% of its total charge capacity. for a standby(idle)currentof18ma,thewirelesscpuwi lltypicallyprovide 600*0.95/18=32hoursstandbytime example2 example2 example2 example2C CC Ccalltime: calltime: calltime: calltime: an 1800mah rated liion battery fully charged, tran smitting maximum power on a lowband (850/900mhz) channel may consume an averag e 320ma, therefore the wirelesscpuwouldtypicallyprovide 1800*0.95/320=5hours20minscalltime example example example example3 33 3C CC Ctypicaloperation: typicaloperation: typicaloperation: typicaloperation: a wireless cpu performing periodic network data tra nsfers and communicating intervallic status information to its host would sp end its nonactive periods in sleep mode. ifthewireless cpuspends 30minutes eachd ayoncall(320ma),30 second each hour performing housekeeping, monitoring and s tatus tasks (110ma), and sleeps(2.1ma)duringtheinterveningperiods,an1 800mahratedliionbatteryfully chargedwouldtypicallyprovide 1800*0.95/([0.5hr*320]+[0.2hr*110]+[23.3hr*2.1]) =7days6hrsoperation theaboveexamplesaregivenforguidance,theactu albatterylifewill dependuponvariablessuchasbatterycondition,nu mberofprevious charge/dischargecycles,operatingtemperature,ser iesresistance betweenbatteryandthewirelesscpu,andmanufactu ringtolerances caution GR64 integrators manual page: 47/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.8 poweringthewirelesscpuonandoff(on/off) pin name direction function 14 on/off input deviceon/offcontrol the on/off description below references a GR64001 w ireless cpu variant. the timing is also valid for the GR64002 variant with t he exception that vref can be excluded since it is input to the wireless cpu by t he application. vref shall in the GR64002 variant implementation be seen as the wirel ess cpus internal logical voltagesupply. 5.8.1 turningthewirelesscpuon figure13:powerontiming the GR64 power on sequence is shown above. the sig nificant signals are vcc, on/off and vref, shown by solid lines. the other s ignals (in dashed lines) are internaltothewirelesscpuandareshownforrefe rencepurposesonly. GR64 integrators manual page: 48/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable initially,powerissuppliedtothevccpins.the presenceofpowerraisestheon/off through a pullup resistor to vcc potential. in or der to power the wireless cpu, on/offispulledtoground.onceon/offhasbeenh eldlowfor125ms(denotedby t1)theprimaryldospowerup;thevrefsignalcome sfromoneoftheprimaryldos. forwirelesscpuvariantswherevrefsuppliesaref erencevoltagetothehost,itacts asausefulindicatorthatthebasebandispowered. whenthevrefisconfiguredasaninput,itcannot beusedasapower indicator. vrefexceedsitsresetthresholdapprox500 s later, and then 250ms afterwards (denoted by t2) the reset line goes high. the microprocesso r can latch the powe r on state by setting the power keep (pwr_keep) high after the re set goes high and before the poweron(on/off)signalisreleased. it is recommended that on/off is held low for at le ast 450ms to guarantee completionofthepowerupsequence. note GR64 integrators manual page: 49/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.8.2 turningthewirelesscpuoff figure14:powerofftiming failuretoimplementthepropershutdownprocedure couldresultin permanentdamagetothedeviceincluding,butnotl imitedto,erasure ofcriticalparametersstoredinnonvolatilememor y.productwarranty isinvalidatedinsuchcircumstances. poweringtheGR64powerdownsequenceisshownabov e.thesignificantsignalsare vcc,on/offandvref,shownbysolidlines.theot hersignals(indashedlines)are internaltothewirelesscpuandareshownforrefe rencepurposesonly. with the wireless cpu powered normally, on/off is p ulledup to vcc potential. in order to power down the wireless cpu, on/off is pul led to ground. once on/off has been held low for at least 125ms the shutdown procedure begins. although on/off can be held low for longer time, it will onl y delay completion of the shut downevent.ifthewirelesscpuisregisteredona gsmnetwork,thederegistration process will complete; this may last between 3 to 3 0 seconds. the power latch (pwr_keep) is released and approximately 70ms later the ldo outputs fall, unless on/offisheldinwhichcasetheldoswillbekept activeuntilon/offisreleased. for wireless cpu variants where vref is an output, the absence of vref is a useful indicatorthatthenetworksderegistrationandshu tdowniscomplete.oncevrefis nolongerpresent,theapplicationcansafelyremov evcc. ! warning GR64 integrators manual page: 50/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable thertccancontinuetooperateeventhoughvccis removed, providedthatasufficientlychargedbackupdevice isconnectedtothe vrtc.refertosection5.21fordetails. the relevant characteristics of the on/off power co ntrol interface are shown in the tablebelow. parameter conditions min typ max unit inputlow(0v),vcc=3.6v 60 25 12 a inputcurrent inputhigh(vcc),vcc=3.6v 0 1 a note GR64 integrators manual page: 51/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.9 analogueaudio pin name direction function 53 micip input microphoneinputpositive 54 micin input microphoneinputnegative 55 earp output earpieceoutputpositive lowlevel 56 earn output earpieceoutputnegative 57 auxo output auxiliaryaudiofromwirelesscputo host 59 auxi input auxiliaryaudiotowirelesscpufrom host highlevel 60 aref analoguereference the analogue audio signals comprise of two audio in puts to the wireless cpu, and twoaudiooutputsfromthewirelesscpu.theauxil iaryinterfacesignalsaresingle ended,whilstthemicandearinterfacesignalsare differential.analogueaudiocan beusedforvariousconfigurations,includinghands et,carkit,portablehandsfreeand speakerphonemode(withanadditionaloutputgains tage). five audio profiles are available for GR64 users to configure various modes of operation.eachprofileisfactorysettorepresen tdifferentmodes,typicalofgeneral usage. the customer can modify profiles to optimiz e acoustic performance to their specificapplication. the analogue inputs and outputs share common uplink and downlink chains which aremultiplexed,andselectivelyswitchedbytheus erthroughatcommands. GR64 integrators manual page: 52/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.9.1 auxiliaryaudiotowirelesscpu(auxi) auxiisasingleendedauxiliaryanalogueaudioinp uttothewirelesscpu.internally, the signal is routed to the codec (coder/decoder), where it is converted to digital audioandmappedtoaninternalbus. figure15:auxiliaryinputconnectionstothewirel esscpu the auxi input is a passive network applying 5db o f gain followed by the transmit partofthecodec. parameter conditions min typ max unit maxinputgain 142 158 178 mvrms inputvoltagefullscale mininputgain 447 501 564 mvrms frequencyresponse 3dbcutoff 340 3400 hz acinputimpedance 3003400hz 100 kohm GR64 integrators manual page: 53/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.9.2 auxiliaryaudiofromwirelesscpu(auxo) auxo is a singleended auxiliary analogue audio out put from the wireless cpu and maybeusedtodriveaspeakeroranearpiece.the interfacehasaninternal100nf couplingcapacitor; aloadof 10kohmwill providea nearfullscaleoutputcapability between300to4300hz. figure16:auxiliaryoutputconnectionstothewire lesscpu thetablebelowshowstheaudiosignallevelsfora uxo. parameter conditions min typ max unit outputvoltagefullscale rl=10k 670 750 840 mvrms frequencyresponsehpf 3dbcutoff(rl=10k) 160 hz GR64 integrators manual page: 54/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.9.3 microphonesignals(micip,micin) micip and micin are balanced differential microphon e input pins. these inputs are compatible with an electret microphone. the microph one contains a fet buffer with anopendrainoutput,whichissuppliedwithat2.4 v10%relativetogroundbythe wirelesscpuasshownbelow. figure17:microphoneinputconnectionstothewire lesscpu the input lownoise amplifier stage is constructed out of standard lownoise op amps.externalresistorssetthegainofthisstag e. the input gain is scaled by the input resistors to be around 15db, which provides optimalperformanceformanystandardtypesofelec tretmicrophones.anadditional gainadjustmentcanbemadethroughanatcommandt othepgawhichcanbeset tohighandlowgain.thewirelesscpuprovidesa microphonebiasat2.4v,andcan supplyatleast1maofcurrent. parameter conditions min typ max unit inputvoltagefullscale maxinputgain 14 16 18 mv rms mininputgain 45 50 56 mvrms frequencyresponse 3dbcutoff 340 3400 hz acinputimpedance 300C3400hz 10 kohm outputdcbiaslevel 2.16 2.4 2.64 v GR64 integrators manual page: 55/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.9.4 speakersignals(earp,earn) earpandearnarethespeakeroutputsignals.thes earedifferentialmodeoutputs. with a fullscale pcm input to the codec, 0 db audi o output gain setting, and a differential load rl = 30 ohm, the output voltage b etween earp and earn is 1.5 v rms. for load resistances less than 30 ohm ? , the fullscale output needs is limited usingthewirelesscpusinternalprogrammablegain attenuator. figure18:earoutputconnectionstothewirelessc pu theelectricalcharacteristicsaregiveninthetab lebelow. parameter conditions min typ max unit inputvoltagefullscale rl=30ohm 1.34 1.5 1.68 vrms rl=16ohm 1.41 vrms rl=8ohm 1.24 vrms frequencyresponse 3dbcutoff 300 3400 hz GR64 integrators manual page: 56/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.10 pcmdigitalaudio(ssp) pin name direction function 48 sspdfm output serialpcmdatafromwirelesscpu tohost 47 sspdtm input serialpcmdatatowirelesscpufro mhost 51 sspfs in/out serialpcmframesynchronisation 52 sspclk in/out serialpcmclock the ssp (synchronous serial port) digital interface is configured to provide a pcm (digital) audio interface. this interface can be u sed to process pcm digital audio signals as an alternative to routing signals to the codecs through the analogue uplinkanddownlinkchains. figure19:pcmaudiopath GR64 integrators manual page: 57/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.10.1 pcmdataformat the pcm digital audio interface for GR64 is based u pon the texas instruments ssi standard.thesspinterfacecanbeprogrammedfor dataframesizesbetween4to16 bits.theclockrateisfixedto128khz. pcmclk(bitclock)andpcmsync(framesynchronizati on)arebothgeneratedbythe dspwithinthewirelesscpu.thedspwithinthewi relesscpuinthisinstanceisthe master for all external pcm, so clocks and data fro m external devices must be synchronizedtoit. forstandardgsmvoicea13bitpcmdatawordisem beddedina16bitwordframe, asshowninfigure20below. lsb msb d0 d15 13-bit sample occupies these frame bits sample lsb justified lsb msb d0 d15 13-bit sample occupies these frame bits sample lsb justified figure20:13bitgsmvoiceembeddedin16bitpcm frame typicalpcmdatatransferisshowninthefollowing figures. msb msb lsb lsb sspclk sspfs sspdfm sspdtm q q msb msb lsb lsb sspclk sspfs sspdfm sspdtm q q figure21:pcmframeformatforasingletransfer q in figure 21 above indicates unknown or invalid d ata content which should be disregarded. GR64 integrators manual page: 58/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable msb msb lsb lsb lsb lsb msb msb frame n frame n-1 frame n+1 sspclk sspfs sspdfm sspdtm msb msb lsb lsb lsb lsb msb msb frame n frame n-1 frame n+1 sspclk sspfs sspdfm sspdtm figure22:pcmframeformatforacontinuoustransf er GR64 integrators manual page: 59/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.11 serialdatainterfaces the serial channels consist of two uarts and a usb port. these provide communicationlinkstotheapplicationoraccessory units. the serial channels can be used in differing config urations, depending upon the usersrequirementsandapplication.however,the commonconfigurationoptionsare described: uart1hasfullrs232functionalityandisusedfo rallonandoffCline communication(modemsleep&wakefunctionalcontro lisanintegral componentofthisinterface).itsintendeduseis thatoftheprimarycommand (at)interface. uart3behavesasageneralpurposeserialdatalin k.itcanbeusedfordata logginganddebuggingpurposes.agpsdevicecan beusedwithuart3as partofanembeddedapplication. theusbport,availableontheGR64002variants,p rovidesaconvenient generalpurposeperipheral(slave)portforusewit hhostdeviceswhichhave usbcontrollers. 5.11.1 uart1 pin name direction function 32 dsr1 output datasetready(uart1) 36 ri output ringindicator 37 dtr1 input dataterminalready(uart1) 38 dcd1 output datacarrierdetect(uart1) 39 rts1 input readytosend(uart1) 40 cts1 output cleartosend(uart1) 41 dtm1 input datatowirelesscpufromhost(uart1 ) 42 dfm1 output datafromwirelesscputohost(uart 1) GR64 integrators manual page: 60/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable uart1isafullfeatureduniversalasynchronousrec eivertransmitterprovidingfull duplexasynchronouscommunication. uart1hasthefollowingfeatures: 32bytesoffifoforbothreceiveandtransmit fifothresholdinterrupts 1startbit,7or8databits,1optionalparityb it,1or2stopbits programmablebaudrate autoconfigurationmodewithautobaudandautofo rmatoperation hardwareflowcontrol softwareflowcontrol. dependingupontheuserapplication,some,all,or noneofthecontrolsignalsmaybe needed. each of the control signals can alternati vely be configured as a general purposeio.whenhardwareflowcontrolisnotused incommunicationsbetweenthe application and the wireless cpu, some applications may require rts and cts to be connected to each other at the wireless cpu. users should familiarize themselves withthespecificimplementationoftheiruart. theGR64hasafeatureinwhichsleep(lowerpower) modecanbecontrolledthrough a special handshake protocol using hardware flow co ntrol. details of this protocol andtheatcommandsassociatedwithitarecontaine dinaspecialapplicationnote, obtainablethroughthenormalcustomersupportchan nel. uart1 converted signals, together with gnd, dtm1 an d dfm1 form a 9pin rs232 dataport. theelectricalcharacteristicofthislevelshifted signalisdescribedinsection5.3.1.1. uart1 signals replicate a 9pin rs232 (v.24) serial port. however, uart1 signal levels are not compliant with the rs232 (v.28) stan dard. conversion between the wireless cpu cmos levels and rs232 levels can be ac hieved using a standard interface ic, such as the maxim integrated products max3237. the relationship betweenthelevelsisshowninthefollowingtable: dtm,dfm ri,rts,cts,dsr,dtm,dcd rs232level GR64level 1 off <3v vref 0 on >+3v 0v GR64 integrators manual page: 61/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.11.1.1 serialdatasignals(dtm1,dfm1) thedefaultbaudrateoftheuartsisautobaud.b audratesofbetween600bauds to 460k bauds are possible. the wireless cpu also supports 3gpp ts 27.010 multiplexingprotocol,whichstartswhentheapprop riatecommandissent. 5.11.1.1.1 serialdatafromwirelesscpu(dfm1) dfm1 is an output signal that the wireless cpu uses to send data via uart1 to the hostapplication. 5.11.1.1.2 serialdatatowirelesscpu(dtm1) dtm1 is an input signal, used by the application to send data via uart1 to the wirelesscpu. 5.11.1.2 controlsignals(rts1,cts1) rtsandctsprovideahardwareflowcontrolmechani sm. 5.11.1.2.1 requesttosend(rts1) rts is used to condition the dce for data transmiss ion. the default level is high by internalpullup.theapplicationmustpullrtslow toenabledatatransmissionfrom thewirelesscpu.similarly,thewirelesscpuasser tsctslow,indicatingitisreadyto receivedatatransmissionfromthehost. 5.11.1.2.2 cleartosend(cts1) cts is asserted by the dce to indicate that the hos t (dte) may transmit data. when ctsishigh,thehost(dte)isnotpermittedtotra nsmitdata.thetablebelowshows theloadcharacteristicsforthissignal. GR64 integrators manual page: 62/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.11.1.3 controlsignals(dtr1,dsr1,dcd1,ri) 5.11.1.3.1 dataterminalready(dtr1) dtrindicatesthatthedteisreadytoreceivedata .italsoactsashardwarehang up,terminatingcallswhenswitchedhigh.thesign alisactivelow.userscandefine the exact behaviour of dtr with the at&d command. dtr1 is used as an optional sleepcontrolmechanismwhenthewirelesscpuisco nfiguredappropriately. 5.11.1.3.2 datasetready(dsr1) dsr indicates that the dce is ready to receive data . the signal is active low. behaviouriscontrolledusingtheat&scommand.ds r1isusedasanoptionalsleep controlmechanismwhenthewirelesscpuisconfigur edappropriately. 5.11.1.3.3 datacarrierdetect(dcd1) dcd indicates that the dce is receiving a valid car rier (data signal) when low. behaviouriscontrolledusingtheat&ccommand. 5.11.1.3.4 ringindicator(ri) ri indicates that a ringing signal is being receive d by the dce when toggled low. userscandefinetheexactbehaviourofriwithan atcommand,includingtheoption of asserting the ri signal to flag an incoming sms by using the at*e2smsri command. GR64 integrators manual page: 63/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.11.2 uart3(dtm3,dfm3) the reason uart2 is skipped is that GR64 does not s upport more than two uart interfaces.theremovedinterfacewasrepresented byuart2forthegr47/48,sofor legacyreasonstheseconduartinGR64iscalledua rt3. pin name direction function 43 dtm3 input datatowirelesscpufromhost(uart3 ) 44 dfm3 output datafromwirelesscputohost(uart 3) uart 3 consists of a full duplex serial communicati on port with transmission and receptionlines. timing and electrical signals characteristics are t he same as for uart1, dtm1 and dfm1,includingthebaudraterangeandthecapabil itytoautobaud. 5.11.2.1 transmitteddata(dtm3) dtm3isusedbytheapplicationtosenddatatothe wirelesscpuviauart3.ithas thesameelectricalcharacteristicstheequivalent signalinuart1. 5.11.2.2 receiveddata(dfm3) dfm3 is used to send data to the application via ua rt3. it has the same electrical characteristicsastheequivalentsignalinuart1. GR64 integrators manual page: 64/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.11.3 usb pin name direction function 45 usbdp in/out usbdatapositive 46 usbdn in/out usbdatanegative 49 vusb input usbdcpower the usb interface is compliant with the usb2.0 stan dard for a full speed (12mbps) endpoint device. together with vusb and gnd it cre ates a standard usb 4pin interface.vusb(vbusintheusbstandard)isnomi nally5.0v. limit parameter conditions min typ max unit vusb inputvoltagelevel 4.5 5.0 5.5 v i vusb currentconsumption(vusb=5.0v) 8 15 ma usbisnotavailableonlegacyvariantGR64devices (GR64001 products).ontheseproducts,thesignalconnectio nscanbeleftun terminated. theusbinterfacehasthefollowingfeatures: fullspeed(12mbits/s)deviceoperation 16unidirectionalendpoints eachendpointcapableofsupportingcontrol,inter rupt,isochronousandbulk transfer programmableendpointtypesandfifosizesandint ernal1120bytelogical (2240bytephysicalfordualpacketmode)sharedfi fostorageallowawide varietyofconfigurations. dualpacketmodeoffifosreduceslatency usbresetcanbeprogrammedtocleardeviceaddres s. note GR64 integrators manual page: 65/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable firmwareabilitytowakeupandresetasuspended device 8,16,32,and64bytefifosizesfornonisochron oustransfers 64,256,512,and1024bytefifosizesforisochro noustransfers tracedebugportforwirelesscpudiagnostics the usb interface supports 3gpp ts 27.010 multiplex ing, and may be used as the primaryatcommandinterface. internally,theusbdplineispulledupbya1.5kr esistor,inaccordancewiththeusb standard,toindicatethatitsafullspeedcapabl edevicetotheusbcontroller. to implement successful applications using the GR64 usb interface, users should familiarizethemselveswiththeusbspecification. 5.12 simcardinterface pin name direction function 15 simvcc output 1.8vor3.0vsimcardsupply 16 simdet input simpresencedetection 17 simrst output simcardresetsignal 18 simdat in/out simcarddata 19 simclk output simcardclocksignal this interface allows the user to communicate with the smart (sim) card in the user application. the GR64 offers alternative arrangeme nts for accessing the sim dependingonwhichvariantoftheGR64isused.bo thvariantsprovidethisinterface throughthesystemconnector,referredtoastheex ternalorremotesiminterfaceto distinguishitfromtheintegratedsiminterface. themaximumdistancebetweenthesimcardholderan dthewireless cpuvariesdependingontheapplicationimplementat ion.simholders placedtoofarawayfromthewirelesscpumaynotm eetthesim interfaceperformancespecification. note GR64 integrators manual page: 66/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable thissiminterfaceallowstheuseof3vand1.8v simcards(5visunsupported).the wireless cpu automatically detects the sim type, sw itching the signal voltages accordingly. signal parameter mode min typ max unit 1.8 1.71 1.8 1.89 v simsupplyvoltage 3.0 2.75 2.9 3.05 v shortcircuitcurrent 10 ma quiescentsupplycurrent 3.0 20 a outputcapacitance 0.3 2.0 f simvcc outputcapacitoresr 0.01 1.0 ohm 1.8 0.7*simvcc v highlevelinput voltage(vih) 3.0 0.7*simvcc v 1.8 0.2*simvcc v lowlevelinput voltage(vil) 3.0 0.4 v 1.8 0.8*simvcc v highleveloutput voltage(voh) 3.0 0.8*simvcc v 1.8 0.4 v simdat lowleveloutput voltage(vol) 3.0 0.4 v 1.8 0.9*simvcc v highleveloutput voltage(voh) 3.0 0.9*simvcc v 1.8 0.4 v simclk/simrst lowleveloutput voltage(vol) 3.0 0.4 v GR64 integrators manual page: 67/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.12.1 simdetection(simdet) simdet is used to determine whether a sim card has been inserted into or removed fromthesimcardholder.theintegratorshouldnor mallywireittothecardinserted switchofthesimcardholder,butdifferentimple mentationsarepossible. aninternalpullupresistorkeepsthesimdetsigna latahighlevel(1.8v)whenleft open.thismeanssimcardmissingtothewireles scpu.whenpulledlowtheradio device assumes a sim card is inserted. simdet is a digital io signal input with characteristicsdefinedinsection5.3. itispossibletousetheexternalsimevenifsimd etisnotsetlow.ifa simisinsertedinthesimholderexternaltothew irelesscpu,the applicationcansendat*esse=1andthewirelesscpu willswitchto theexternalsimregardlessofthestatusofsimdet . note GR64 integrators manual page: 68/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.13 service/programming pin name direction function 58 service input flashprogrammingenablesignal theserviceinterfaceisflashprogrammingenablei nput.theservicepinisdriven activehighbythehostapplicationusingeithera logiccontrolinputorapplyingadc voltage(commoninlegacyapplications)tobegina flashdownload.thispinshould bepulledloworgroundedduringnormaluse. the service signal drives an nchannel fet switch w hich has a resistive divider on theinput. figure23:servicepininterface signal mode value unit minimuminputvoltage 2.5 v activehigh maximuminputvoltage 12.0 v service inactivelow maximuminputvoltage 0.8 v GR64 integrators manual page: 69/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable theapplicationmusthavethecapabilitytosetthi ssignalactivehigh. thesignalisnotneededtoperformnormalswupdat ingthrough updater,butitisneededtosupportspecialserv icetoolsfrom wavecom. theswupdatingtoolforGR64isupdater. theupdaterisalocalapplicationthatdownloadsa signedimage providedbywavecom. itisnotnecessarytosetservactivetorunupda ter. 5.14 buzzer pin name direction function 31 buzzer output buzzeroutput connecting the buzzer signal to an inverting transi storbuffer followed by a piezoelectrictransducerenablesthewirelesscput oplaypreprogrammedmelodies orsounds.arecommendedimplementationisshownb elow. figure24:recommendedcircuitforabuzzerimpleme ntation caution note GR64 integrators manual page: 70/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.15 led pin name direction function 33 led output ledcontrolsignal theledinterfaceisintendedtooperateastatusl ed,whichcanbeprogrammedon andoff,orforaparticularblinksequence.thel edsignalisderivedfromastandard gpio and does not have sufficient drive capability to operate an led directly, so it requires the user to implement some form of transis tor circuit. a recommended implementationisshownbelow. figure25:recommendedcircuitforanledimplement ation GR64 integrators manual page: 71/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.16 generalpurposeio pin name default alternatefunction 21 gpio1 gpio1 22 gpio2 gpio2 23 gpio3 gpio3 24 gpio4 gpio4 13 gpio5 adin4 adcinput4 33 gpio6 led ledcontrolsignal 32 gpio7 dsr1 datasetready(uart1) 36 gpio8 ri ringindicator 39 gpio9 rts1 readytosend(uart1) 37 gpio10 dtr1 dataterminalready(uart1) 38 gpio11 dcd1 datacarrierdetect(uart1) 40 gpio12 cts1 cleartosend(uart1) 29 gpio13 sda 30 gpio14 scl 20 gpio15 dac notsupportedyet allgeneralpurposeio(gpio)isprogrammablebyth euser.somegpiohasalternate functionalityalreadyassociatedwithit;thisisi ndicatedinthedefaultcolumn.gpio which has alternate function is effectively multipl exed, so that the user chooses throughatcommandstheappropriateconfigurationf ortheirapplication. gpioisprogrammableforthefollowingfeatures: aninputoroutput levelsensitiveortransitionsensitive GR64 integrators manual page: 72/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable opendrainordirectdrive polarity(inversion) internalpullupresistors theinternalpullupresistorsareappliedonthew irelesscpusideof theleveltranslators.iftheapplicationisusing agpioasaninputand needapullupresistor,theapplicationmustprovi dethatexternally. toovercomethe6kinputimpedanceoftheleveltra nslator,thepull upresistormustbeinthe680ohmrange.thiscou ldpotentially increasecurrentconsumption,soitisrecommended tousecmos logic(see5.3.1.1formoreinformation). itisrecommendedtousethegpiosasdirectdrive withinternalpull upresistorsdisabled. if pins labelled in the table above are not being u sed for the indicated alternative function they may be used as general purpose inputs or outputs; they are not constrainedtoworkinonlyonedirection.allgpi oislevelshiftedontheGR64,and hasthecharacteristicsdefinedinsection5.3. gpio has a number of sharing (configuration) option s. sharing means that it is not feasible to operate all the alternative features co ncurrently, however, with care, dynamicswitchingfromonefeaturetoanotherispo ssible. users should note that if flow control is required for uart1 then gpios 7 to 12 inclusivecannotbeconfiguredforgeneralpurpose use. some gpio is configured to provide a keyboard inter face (details are covered in the nextsection). 5.16.1 embeddedapplications when a particular io feature is required, the user sets the state of the relevant io blocksbydisablingonesetbeforeenablingothers. the wireless cpuchecksthe stateoftheiowhenth euserrequestsanewfunction. thenewfunctionisrejectedifthecurrentfunctio nisnotreleasedfirst. the states of gpion to gpiom are retained for the n ext power up. for example, inputs remain as inputs and outputs remain as outpu ts. the voltage of a defined outputpinwillstilldropto0voltsinthewirele sscpupowerdownstate. caution GR64 integrators manual page: 73/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.16.2 led/io6capabilities theledfunctionpincanbeusedasageneralpurpo sedigitali/owhentheflashing led function is not required. however, this pin doe s not have an onboard pullup resistor.itisrequiredthatanexternalpullupo rpulldownresistorbe providedby thehostcircuitrywheneithernotusedorwhenuse dasadigitalinput. 5.16.3 adin4 a further adc input (in addition to the three dedic ated pins) is created by multiplexingoneofthegpiosignals(gpio5).adin 4hasa6dbattenuatorbuiltinto thewirelesscpusothatitcanaccommodateaninpu tvoltageupto5.0v. 5.17 digitaltoanalogueconverterCdac[notimplemente dyet] pin name direction function 20 dac output pulsewidthmodulatedsignal thegpio15hasdualfunctionality.inadditionof beingafullyprogrammablegpioit alsohasthecapabilityofbecomingapwmoutput. thispwmcanbeusedasadac byimplementinganrcfilterfollowedbyanoptiona lbuffer. figure26:typicalarrangementforadaptingpwmfor adacfunction GR64 integrators manual page: 74/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.18 analoguetodigitalconverters(adin1,adin2,adin3 ,adin4) pin name direction function 26 adin1 input adcinput1 27 adin2 input adcinput2 28 adin3 input adcinput3 13 adin4 input adcinput4/gpio5 adc pins is converted and stored in a register insi de the wireless cpu. when the appropriate atcommandisreceivedbythewireless cpu,thedigitalvaluestoredin theregisterisread. thewirelesscpuhasasingleprecision10bitadc, sharedbyanumberoffunctions within the wireless cpu and also through the extern al interface connections (three dedicated,oneshared).theadcsharingarrangemen tisshownbelow. figure27:adcsharingarrangement GR64 integrators manual page: 75/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable adcsamplingfrequencyandsamplingsourceselectio ncanbesetupandcontrolled withatcommandsbytheuser.adcsamplesrequires upto5clock(adclk)cycles toprocess.theadcalsoperformssomesystemleve lsampling.thesetwofactors limitthemaximumpracticalsamplingratetoaround 20ksps. parameter condition min typ max unit resolution 10 bit coding:unsignedmagnitude 000 3ff hex differentialnonlinearity C1 1 lsb integralnonlinearity C10 10 lsb fullscaleerror C3 3 % offseterror C14 14 lsb conversiongain* 421 lsb/v conversionintercept* C9 lsb lowlevelinputvoltage adcoutput=000h highlevelinputvoltage adcoutput=3ffh 2.45 2.59 v adcclock(adclk) 260 325 390 khz adcconversiontime 12 adclk adcsampledelay 5 adclk GR64 integrators manual page: 76/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.19 i2cserialcontrolbus pin name direction function 29 sda in/out i2cdata 30 scl output i2cclock the i2c interface comprises two signals; data (sda) and clock (scl). both sda and sclhavepullupresistors.therefore,whenthebu sisfree,bothsdaandsclarein ahighstate. the GR64 implementation of i2c supports only a sing le master mode, with the wireless cpu being the master. the output stages o f sda and scl must have an opendrain or opencollector to perform a wiredand function. the wiredand functionprovidesthei2cbusabilitytoperformcl ocksynchronizationonthesclline. duetothewiredandfunction,thescllinewillbe heldlowbythedevicewiththe longest low period. therefore, the device with the shorter low period will be in a highwaitstateduringthistime. clocksynchronizationcanbeusedasahandshaking mechanism,toenablereceivers to cope with fast data transfers. on a byte level, a slave (host applicationside) i2c device may be able receive a data transfer, but nee d time to store the byte received beforeitisreadytoreceive another byte. the sl ave/receiverwillthereforeholdthe scl line low, after sending the acknowledge bit fol lowing the byte received, thereby forcingthemasterintoawaitstate.oncethescl isreleasedbytheslave/receiver, the wait state of the master will end. this featur e of the i2c standard is known as clockstretchingandissupportedbytheGR64. the i2c interface supports standardmode (100kbps) and fastmode (400kbps). it alsosupportsnormal(7bit)addressingandextende d(10bit)addressing. GR64 integrators manual page: 77/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable fastmodesignalcharacteristics parameter min typ max unit sclclockfrequency 0 400 khz lowperiodofthesclclock 1.3 s highperiodofthesclclock 0.6 s dataholdtime 0 0.9 s capacitiveloadforeachbusline 400 pf 5.20 bursttransmission(tx_on) pin name direction function 35 tx_on output transmitindication bursttransmissionistheperiodduringwhichtheg smtransceiveristransmittingrf signals.tx_onisanindicatorthatthewirelessc puistransmitting. atypicalapplicationmayusetx_ontoblankadjace ntreceivercircuitryasameansof protectingsensitiveinputstages.tx_onisactive high. tx_oncharacteristics parameter condition min typ max unit outputvoltagehigh(voh) il=80ua 2.0 2.8 3.0 v outputvoltagelow(vol) il=80ua 1.0 v GR64 integrators manual page: 78/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable figure28:recommendedcircuitryforatx_onimplem entation 5.21 realtimeclock the realtime clock (rtc) is driven by a 32.768 khz clock from an internal crystal oscillator.theclockisdividedby32,768togene rateaclockwitha1secondperiod thatincrementsa29bitsecondscounter.inaddit ion,itcangenerateinterruptsata programmedtime.thefollowingarethefeaturesof rtc: 17yeartimeintervalwith1secondresolution. programmedtimealarminterrupt alarmoutputpin an rtc alarm can be set by loading an appropriate v alue into the seconds alarm registerandenablinganinterruptviaanatcomman d. thertcreliesonanuninterrupted1.5v(nominal) powersupply(vrtc),whetherthe wireless cpu is powered off or on. the rtcalarm o perates from the vrtc supply, and therefore utilizes a 1.5 v logic level. users have the responsibility to provide a backup battery to provide uninterrupted vrtc functi on when the wireless cpu is powereddown. parameter condition min typ max unit rtcaccuracy ambient(+252c)operation 52.6 secs/month rtcaccuracy extremetemperatures 65.2 secs/month vrtc rtc operational supply voltage range 1.10 1.50 1.65 v GR64 integrators manual page: 79/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.21.1 realtimeclockbackupsupply(vrtc) pin name direction function 25 vrtc input dcsupplyforrealtimeclock vrtc provides an input connection to the wireless c pu which allows the user to power the real time clock (rtc) within the GR64 by way of a coin cell or charged capacitor. whenthewirelesscpuispowered,aninternalldor egulatorprovidesa200 ? a source designed to supply the microprocessors rtc block. it is also intended to recondition a rechargeable coin cell that supplies the rtc wirele ss cpu when the main battery is removed, or has insufficient energy. because this ldo is always on, even when the wireless cpu is powered down, it features very low quiescent current. it also offers reversecurrentprotection,withlowleakage,when thecoincellispoweringthertc block. the rtc ldo is primarily designed to charge mangane sesilicon lithium batteries. rechargeable coin cells with different chemical com position may also be charged provided their charging requirements are consistent with the rtc ldos electrical characteristics.thevrtcoutputisnominally1.5v . vrtcldocharacteristics: parameter condition min typ max unit outputvoltagetolerance iout=10 a 1.35 1.50 1.65 v maximumoutputcurrent 200 a shortcircuitcurrentlimit vrtctognd 0.7 1.6 2.9 ma outputresistance iout=10 a 75 100 150 ohm lineregulation iout=10 a 5 mv offreverseleakagecurrent 0.1 1 a GR64 integrators manual page: 80/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable in the backup condition the rtc block will function to as low as 1.1v on the vrtc pin.thertcdraws10 a typically during poweredbackup(15 a max). figure5.201showsthevrtcconnectivityarrangeme nt. figure29:vrtcconnection recommendedbuttoncelltouseisseikots414h.th isisaleadfree, reflowablesmtlithiumbatterywithanominalvolta geof1.5v. tip GR64 integrators manual page: 81/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 5.21.2 rtcalarm(alarm) pin name direction function 50 alarm output rtcalarm thealarmsignalisonlyavailableonGR64002. the alarm output is logic output from the wireless cpu which is supplied from the rtccircuitryblock.thisblockis,inturn,suppl iedeitherfromthemainsupplyofthe wirelesscpuorfromabackupbatteryifthemains upplyisnotavailable. thissignalispulledupinsidethewirelesscputo vrtcandissetlowfor1swhenan alarmistriggered. note GR64 integrators manual page: 82/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 6 antennaconnector thewirelesscpusantennaconnectorallowstransmi ssionoftheradiofrequency(rf) signals from the wireless cpu to an external custom er supplied antenna. the connector is a microminiature coaxial mmcx through holemounted socket. a number of suitable mmcx type, mating plugs are avai lable from the following manufacturers: amphenol suhner imsconnectorsystems thenominalimpedanceoftheantennainterfaceis5 0ohms. feature gsm850 egsm900 gsm1800 gsm1900 frequencyrange(mhz) 824894 880960 17101880 185 01990 maximumpower 33dbm(2w) 33dbm(2w) 30dbm(1w) 30dbm(1w) antennaconnector impedance 50ohms antennavswr 2.5:1operatingmax tobypassthemmcxconnector,twopcblandingpads areavailableon theundersideofthewirelesscpu.theintegratorc anprobethesepads orsolderacoaxialcabledirectlytothem.waveco m;however,cannot guaranteeabsoluteperformancewhenconnectingtot heantennain thiswayduetotheattenuationsuchaconnectionc ouldpotentially cause.whenconnectinginthisway,proceedwithc are. figure30:rfantennapaddimensions note GR64 integrators manual page: 83/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 7 hintsforintegratingthewirelesscpu this chapter gives the integrator advice and helpfu l hints on how to integrate the wirelesscpuintotheapplicationfromahardwarep erspective. make sure the integrator read and consider the info rmation under the following headingsbeforestartingtheintegrationwork: safetyadviceandprecautions installationofthewirelesscpu antenna 7.1 safetyadviceandprecautions 7.1.1 general always ensure that use of the wireless cpu is permi tted. the radio device may present a hazard if used in proximity to personal m edical electronic devices. as a rule,thewirelesscpumustnotbeusedinhospital soronboardaircraft. the integrator are responsible for observing the co untrys safety standards, and whereapplicable,therelevantwiringrules. never use the wireless cpu at a gas station refuell ing point, blasting area or in any otherenvironmentwherecombustiblevapoursorexpl osivesmaybepresent. operating the wireless cpu close to other electroni c devices, such as antennas, televisionsets,andradiosmaycauseelectromagnet icinterference. nevertrytodismantlethewirelesscpuyourself. therearenocomponentsinsidethe wireless cpu that can be serviced by the user. dis mantling the wireless cpu may invalidatethewarranty. to protect the power supply cables and meet the fir e safety requirements, it is recommended that the electrical circuits are suppli ed with a power regulator. the power regulator should be placed as close to the te rminals of the power supply as possible. donotconnectanyincompatiblecomponentorproduc ttothewirelesscpu. wavecomdoesnotwarrantagainstdefects,malfuncti on,non conformitiesordeviationcausedbytheconnection ofincompatible componentsorproductstotheGR64. ! warning GR64 integrators manual page: 84/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 7.2 simcard before handling any sim card, users should ensure t hat they are not charged with static electricity. use proper precautions to avoi d electrostatic discharges. the wirelesscpumustbeswitchedoffbeforethesimca rdisinstalledoruninstalled. whenthesimcardholderisopened,thesimcardco nnectionslieexposedunderthe simcardholder. caution:donottouchtheseconnections!failureto heedthisadvicemayreleasean electricaldischargethatcoulddamagethewireless cpuorthesimcard. when designing applications, the sim cards accessi bility should be taken into account. wavecom recommends that users protect sim card access by a pin code. thiswillensurethatthesimcardcannotbeusedb yanunauthorizedperson. 7.3 antenna iftheantennaistobemountedoutside,considert heriskoflightning. alwaysfollowtheinstructionsprovidedbytheante nnamanufacturer. neverconnectmorethanonewirelesscputoasingl eantenna. thewirelesscpucanbedamagedbyradiofrequency energyfromthetransmitterof anotheradjacentwirelesstransmitter. likeanywirelesscpu,theantennaofthewireless cpuemitsradiofrequencyenergy. to avoid emi (electromagnetic interference), users must determine whether the application itself, or equipment in the application s proximity, requires further protection against radio emission and the disturban ces it might cause. protection is secured either by shielding the surrounding electro nics or by moving the antenna awayfromtheelectronicsandtheexternalsignals cable. the wireless cpu and antenna may be damaged if eith er come into contact with ground potentials other than the one in the users application. beware, ground potentialarenotalwayswhattheyappeartobe. inthefinalapplication,theantennamustbeposit ionedmorethan20cmawayfrom human bodies. when this rule cannot be applied, th e application designer is responsibleforprovidingthesarmeasurementtest reportanddeclaration. evenifsarmeasurementsarenotrequired,itisco nsideredgoodpracticetoinserta warninginanymanualproduced,indicatingitisa radioproductandthatcareshould betaken. GR64 integrators manual page: 85/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 7.4 installationofthewirelesscpu 7.4.1 wheretoinstallthewirelesscpu the following conditions need to be taken into cons ideration when designing the applicationastheymightaffectthewirelesscpua nditsfunction: environmentalconditions signalstrength connectionofcomponentstowirelesscpu networkandsubscription 7.4.1.1 environmentalconditions thewirelesscpumustbeinstalledsothattheenvi ronmentalconditionsstatedinthe technical data chapter, such as temperature, humidi ty and vibration are satisfied. additionally, the electrical specifications in the technical data section must not be exceeded. 7.4.1.2 signalstrength thewirelesscpuhastobeplacedinawaythatens uressufficientsignalstrength.to improve signal strength, the antenna can be moved t o another position. signal strength may depend on how close the wireless cpu i s to a radio base station. the integrator must ensure that the intended usage loca tion is within the network coveragearea. degradation in signal strength can be the result of a disturbance from another source,forexamplean electronicdeviceintheimm ediatevicinity. more information aboutpossiblecommunicationdisturbancescanbefo undinsection8.3.5,page59. whenanapplicationiscompleted,theintegratorca nverifysignalstrengthbyissuing the at command at+csq or at*e2emm. see the at comma nds manual for further details. beforeinstallingthewirelesscpu,useanordinary mobiletelephoneto checkapossiblelocationforit.indeterminingt helocationforthe radiodeviceandantenna,theintegratorshouldcon sidersignal strengthaswellascablelength. tip GR64 integrators manual page: 86/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 7.4.1.3 connectionofcomponentstowirelesscpu theintegratorisresponsibleforthefinalintegra tedsystem.incorrectlydesignedor installed, external components may cause radiation limits to be exceeded. for instance, improperly made connections or improperly installed antennas can disturb thenetworkandleadtomalfunctionsinthewireles scpuorequipment. 7.4.1.4 networkandsubscription before the integrators application is used, the us er must ensure that their chosen network provides the necessary telecommunication se rvices. integrators should contacttheirserviceprovidertoobtainthenecess aryinformation. integratorsintendingto usesmsintheapplication should ensurethisisincluded in their(voice)subscription. similarly,integratorsintendingtousegprsforda taservicesshouldalsoensurethat thisserviceisavailableontheirnetworkandint heiraccountplan. users shouldconsiderthechoiceofthesupplementa ryservicesdescribedinsection 2.3.2shortmessageservice. 7.4.2 howtoinstallthewirelesscpu 7.4.2.1 powersupply use a highquality power supply cable with low resi stance. this ensures that the voltages at the connector pins are within the allow ed range, even during the maximumpeakcurrent.anelectrolyticcapacitorsho uldbeplacedclosetothepower supply pins of the wireless cpu to supply the peak currents during burst transmission.see5.5regulatedpowersupplyinput (vcc). 7.4.2.2 grounds a ground connection is provided at the mounting hol e next to the rf connector on the wireless cpu (see figure 5.1, page 19). connec t this ground point to the gnd pinsofthewirelesscpubytheshortest,lowimped ancepathpossible.thepurpose ofthisconnectionistoallowanyesdpickedupby theantennatobypassthewireless cpusinternalgroundpath. GR64 integrators manual page: 87/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable itisrecommendedthattheintegratoruseacablew ithamaximum resistanceof5milliohmforthegroundconnection . arefandgndareconnectedatasinglepointinside thewirelesscpu. theymustnotbejoinedtogetherintheapplication . 7.4.2.3 audio use coupling capacitors on micip / micin lines if t he application does not use the wirelesscpusbiasvoltage.seealso5.9.3microph onesignals(micip,micin). 7.4.2.4 softwareupgrade thereisonewayofupdatingthefirmwareinthegr 64.thisisanupdater,whichisa localapplicationthatdownloadsanimageprovided bywavecom. 7.5 antenna 7.5.1 general the antenna is the component in the users system th at maintains the radio link betweenthenetworkandthewirelesscpu.sincethe antennatransmitsandreceives electromagneticenergy,itsefficientfunctionwill dependon: typeofantenna(forexample,circularordirectio nal) placementoftheantenna communicationdisturbancesinthevicinityinwhic htheantennaoperates in the sections below, issues concerning antenna ty pe, antenna placement, antenna cable,andpossiblecommunicationdisturbancesare addressed. in any event, users should contact their local ante nna manufacturer for additional informationconcerningantennatype,cables,connec tors,antennaplacement,andthe surrounding area. users should also determine wheth er the antenna needs to be grounded or not. usually, a local antenna manufact urer should be able to design a specialantennasuitablefortheintegratorsapplic ationandenvironment. note GR64 integrators manual page: 88/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 7.5.2 antennatype usersshouldensurethattheychoosetherighttype ofantennaforthewirelesscpu. theantennamustbedesignedforthefrequencyband sdeployedintheregionsthat the wireless cpu is being used. for fixed location s this may be dual bands (for example egsm900/gsm1800 in europe; gsm850/gsm1900 in north america). for applications which are mobile, users should conside r whether three or all four gsm bandscouldbeencountered. otherfactorsinchoosingantennaareequallyimpor tant: impedanceoftheantennaandantennacablemustbe 50ohmsatall frequenciesbeingused. antennaoutputpowerhandlingcapabilitymustbea minimumof2w. antennavswrvalueshouldbelessthan3:1toavoi ddamagetotheradio device. 7.5.3 antennaplacement the antenna should be placed away from electronic d evices or other antennas. the recommended minimum distance between adjacent anten nas, operating in a similar radiofrequencyband,isatleast50cm. ifsignalstrengthisweak,itisusefultofacea directionalantennaattheclosestradio base station. this can increase the strength of the signal received by the wireless cpu. the wireless cpus peak output power can reach 2 w. rf field strength varies with antennatypeanddistance.at10cmfromtheantenn athefieldstrengthmaybeup to70v/mandat1mitwillhavereducedto7v/m. in general, cemarked products for residential and commercial areas, and light industrycanwithstandaminimumof3v/m. 7.5.4 theantennacable use 50 ohm impedance lowloss cable and highqualit y 50 ohm impedance connectors(frequencyrangeuptoatleast2ghz)t oavoidrflosses.ensurethatthe antennacableisasshortaspossible. theeffectivenessoftheantenna,cableandconnect orsisdeterminedbytheirquality. all connectors, adaptors and cables should be of th e highest quality, lowest loss, lowestvswrratingthatisaffordabletotheuser. GR64 integrators manual page: 89/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable minimize the use of extension cables, connectors an d adapters. each additional cable,connectororadapterwillresultinaddition allossofsignalpower. 7.5.5 possiblecommunicationdisturbances communication disturbances can adversely affect the quality of wireless links, includingthefollowingcauses: noisecanbecausedbyelectronicdevicesandradi otransmitters. pathlossoccursasthestrengthofthereceiveds ignalsteadilydecreasesin proportiontothedistancefromthetransmitter. shadowingisaformofenvironmentalattenuationo fradiosignalscausedby hills,buildings,treesorevenvehicles.thiscan beaparticularprobleminside buildings,especiallyifthewallsarethickandre inforced. multipathfadingisasuddendecreaseorincrease inthesignalstrength. thisistheresultofinterferencecausedwhendire ctandreflectedsignals reachtheantennasimultaneously.surfacessuchas buildings,streets, vehicles,etc.,canreflectsignals. GR64 integrators manual page: 90/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 8 embeddedapplications the wireless cpu has the capability to store and ru n customer written code in the form of a script during the processors idle time, through the use of an on board interpreter. 8.1 features mainfeaturesofembeddedapplicationsareasfollo ws: cbasedscriptinglanguage(wavecomspecific) overtheairupgradeofscripts(scriptsonly,not gsmsoftware) libraryofintrinsicfunctions 2scriptscanbestoredinthememoryatanytime (butonly1canbe active/running) 8.2 implementation thewirelesscpuhas2x124kbofnonvolatilememory spaceavailableforstorageof twoscriptsinthescriptinglanguage.themaximum sizeofasinglescriptis 124k, regardlessofthesize/presenceoftheotherscript .224kboframissetasideforthe script usage. since the script is loaded from non volatile memory into this ram portion, the ram available for the script to use fo r variables is 224kb C size of the script. structuresincludedinthislanguageare: ifelsestatements whileloops forloops allhardwareinterfacesthatarenormallyavailable tothewirelesscputhroughtheat commands,arealsoavailabletotheembeddedapplic ation. furtherdrivershave beenwrittensuchasmbus,ke ypad,spiandi2cforusebythe embeddedapplication(ea)throughtheuseofthei/ opins. GR64 integrators manual page: 91/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 8.2.1 limitations sincethewirelesscpuisprocessingthescriptusi ngitsownmemory,limitationsare placedontothescriptsthatarerun. adirectcomparisoncannotbemadetoafullycompi ledcprogramintermsofsize, but a gauge of script size is that if each line wer e 64 characters long (not counting comments or any form of white space) in the script then the script could be about 2000lineslong. processingpowerissomethingthatneedstobe cons ideredasthe scriptisrunasa low priority process within the software. however, controller mode stops gsm operation and provides all the processing power for the script to be run. see the m2mpowerapplicationguideformoredetails. codecannotbeporteddirectlyfromanexistingapp licationandloadeddirectlyonto thewirelesscpu.itmustberewritteninthewave commobilescriptlanguagesothat thewirelesscpuinterpretercanfunctioncorrectly . 8.2.2 m2mpoweride(integrateddevelopmentenvironment) theideisawindowsbasedpackagewhichallowsthe usertowrite,simulate,debug anddownloadtheapplicationintoawirelesscpuwi ththeembeddedapplication(ea) software.thestandardversionisdesignedtoruno nwindowsxpand2000. them2mpowerapplicationguideisavailableforimp lementingapplicationsusingthe developerskitandtheembeddedapplication(ea)f unctionality. thisisarequiredpackagetobeabletoimplement anembeddedapplication(ea). for further information please contact wavecom mobi le communications customer support. GR64 integrators manual page: 92/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 9 tcp/ipstack an on board ip/tcp/udp stack has been integrated in to the software negating the needforthecustomertoimplementoneintheirown codebase. this is accessible by using an embedded application (see section 9) using intrinsic functions. 9.1 implementation thefollowingtypesofcommandsallowvariousfunct ions: open/closingipconnectionsnegotiates/closesan ipaddresswiththeweb server. send/receivetcppacketsperformsalltcpoperat ionstosendandreceive packets. send/receiveudppacketsperformsalludpoperat ionstosendandreceive packets. resolveurltoanipaddresssimilartonslookup commandindoswhenthe unitissetupandcontrolledusingtheembeddedap plications. theembeddedapplicationsoranexternalapplicatio ncangeneratedatatobe sentandpassittothewirelesscpufortransmissi on. thiseffectivelyprovidesatransparentcommunicati onlinkfromtheapplicationtoan internetserverovergprs. GR64 integrators manual page: 93/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 10 technicaldata 10.1 mechanicalspecifications refertofigure3&figure4forreferencetomecha nicalfeatures. mechanicalfeature variant value length 50mm width 33mm withoutsimholder 3.3mm thickness(seeillustrationbelow) withsimholder 5.9mm withoutsimholder 8grams weight withsimholder 9grams 3.3 3.3 figure31:thicknessofwirelesscpuvariantwithou tsimholder 5.9 5.9 figure32:thicknessofwirelesscpuvariantwiths imholder GR64 integrators manual page: 94/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 10.2 powersupplyvoltage,normaloperation parameter mode limit nominal 3.6v min 3.2v max 4.5v absolutemaximum voltagerange 0.3to6.5v vccsupplyvoltage maximumsupply ripple <100mv@<200khz <20mv@>200khz maximumallowablevoltagedrop transmissionburst 2 00mv maximumcurrentconsumed fullpower(2w) transmit 2250ma(peak) 2100ma(average) stressesinexcessoftheabsolutemaximumlimitsc ancausepermanent damagetothedevice.theseareabsolutestressrat ingsonly.functional operationofthedeviceisnotimpliedattheseor anyotherconditionsin excessofthosegiveninthenormalmin&maxvalue sstated.exposure toabsolutemaximumratingsforextendedperiodsca nadverselyaffect devicereliability. 10.3 radiospecifications feature gsm850 egsm900 gsm1800 gsm1900 frequencyrange(mhz) 824894 880960 17101880 185 01990 maximumpower 33dbm(2w) 33dbm(2w) 30dbm(1w) 30db m(1w) antennaimpedance 50ohms ! warning GR64 integrators manual page: 95/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 10.4 simcard parameter 1.8v 3.0v 5.0v externalsimsupport yes yes no integratedsimsupport(optional) yes yes no 10.5 environmentalspecification table6:environmentaltestcases testcase testsummary refstandard heattest temp:maxstorage humidity:nominal duration:16hours iec6006822 coldtest temp:minstorage duration:16hours iec6006821 temperaturecycling temp(low):minstorage temp(high):maxstorage 2hrsdwellateachextreme 6hrstransitionbetweentemps duration: 5 cycles x 16 hours (80hrstotal) iec60068214 GR64 integrators manual page: 96/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable testcase testsummary refstandard thermalshocktest temp(low):minstorage temp(high):maxstorage 6mindwellateachextreme 0.5to3mintransition duration:30cycles(group2,3) iec60068214 moistheatcyclictest temp(low):nominalambient temp(high):maxoperating humidity(high):95%5%rh 9hrdwellateachtemperature 3hrtransitionbetweentemps duration: 6 cycles x 24 hours (144hrstotal) iec60068230 operationaldurability siminsertion:500cycles system connector : 10,000 cycles rfconnector:5,000 1/5241fea2028370 freefalltest 1mdropheightontoconcrete allsides allfaces allcorners anyextendedfeatures iec60068232tested GR64 integrators manual page: 97/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable testcase testsummary refstandard sinusoidalvibration freq: 1060 hz, constant displacement 0.35mm freq: 60500 hz, constant acceleration5g sweepvelocity:1oct/min sweeps:5peraxis axis:3axis(x,y,z)perdevice iec6006826 randomvibration powerspectraldensity: 5hz 0.10m 2 /s 3 12hz 2.20m 2 /s 3 20hz 2.20m 2 /s 3 200hz0.04m 2 /s 3 500hz0.04m 2 /s 3 duration:2hrseachaxis axis:3axis(x,y,z)perdevice iec60068234 mechanicalshocktest pulseshape:halfsine amplitude: 30g15% duration: 6ms axis:x,y,z no.shocks:3eachdirection (18total) iec60068227 testea mixed plugin connector mechanicalforce: 50ninx,y,zdirections 100nin+y(matingaxis) 1/15241fea2028370 GR64 integrators manual page: 98/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 11 regulatorynotices the GR64 described in this manual conforms to the r adio and telecommunications terminal equipment (r&tte) directive 99/5/ec with r equirements covering emc directive 89/336/eec and low voltage directive 73/2 3/eec. the product fulfils the requirementsaccordingto3gppts51.0101,en301 4897anden60950. this device complies with part 15 of the fcc rules. operation is subject to the followingtwoconditions: (1)thisdevicemaynotcauseharmfulinterference, and (2)thedevicemustacceptanyinterferencereceive d,includinginterferencethatmay causeundesiredoperation. theGR64modulartransmitterislabelledwithitso wnfccidnumber.inthenormal methodofmountingtheGR64inacustomerapplicati onthelabelisnotvisibletoan enduser. similarly, the customer application itse lf may obscure the GR64 wireless cpu entirely. if the fcc id is not visible when th e wireless cpu is installed inside anotherdevice,thentheoutsideofthedeviceinto whichthewirelesscpuisinstalled must display a label referring to the enclosed wire less cpu. this exterior label can use wording such as the following: contains transm itter wireless cpu fcc id: py7bc051021 or contains fcc id: py7bc051021. an y similar wording that expressesthesamemeaningmaybeused. fccidpy7bc051021 ic:4170bbc051021 theGR64producthasreceivedgcfandfccapproval GR64 integrators manual page: 99/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable GR64 integrators manual page: 100/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable GR64 integrators manual page: 101/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable GR64 integrators manual page: 102/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable developerskit GR64 integrators manual page: 103/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable 12 introductiontotheuniversaldeveloperskit thewavecomuniversaldeveloperskit(udk)isdesi gnedtogettheintegratorstarted quickly. it contains all the hardware the integrat or will need to begin the developmentofanapplication. theonlyitemstheintegratorneedstoprovideare; awirelesscpu,acomputer,asim card with a network subscription, and knowledge of programming with at commands. themainhardwareoftheudkisanopenboardonto whichtheintegratorplugsthe wireless cpu, using an adaptor board where necessar y. connectors, switches, jumpers and sim card holder are provided to allow t he integrator to configure and accessallthefunctionsoftheradiodevice. twoversionoftheudkexists;thefirstgeneration udkisdesignedforlegacym2m products available during 2003 to 2005; a secondge neration universal developers kit mk 2 is available for m2m products from 2006 on wards. components, adaptor boards and peripheral interfaces are not interchan geable between the two udk products. a separate user manual describes the setup and use of the udk. this can be downloaded from the wavecom m2m extranet web pages or obtained from the local salessupportrepresentativeuponrequest. GR64 integrators manual page: 104/104 this document is the sole and exclusive prope rty of wavecom. not to be distributed or divulged wit hout prior written agreement. ce document est la proprit exclusive de wavecom. il ne peut tre communiqu ou divulgu des tiers sa ns son autorisation pralable wavecom s.a. - 3 esplanade du foncet - 92442 issy - les - moulineaux cedex - france - tel: +33(0)1 46 29 08 00 - fax: +33(0)1 46 29 08 08 wavecom, inc. - 4810 eastgate mall - second floor - sa n diego, ca 92121 - usa - tel: +1 858 362 0101 - fax : +1 858 558 5485 wavecom, inc. - 430 davis dr. suite 300 - research triangle park, nc 27709 - usa - tel: +1 919 237 4000 - fax: +1 919 237 4140 wavecom asia pacific ltd. - unit 201-207, 2 nd floor - bio-informatics centre - no. 2 science park west avenue - hong kong science park, shatin - new territories, hong kong - tel: +852 2824 0254 - fax: +852 2824 0255 |
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