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mlx32001 universal pstn line interface page 1 of 11 mlx32001 universal pstn line interface / rev1.2 17 may 2000 1. features and benefits clip / caller-id support line status measuring facilities line event registration lightning safe pre-programming of default settings powered by pstn line (less than 10 m a power consumption during offline) sw programmable for worldwide use 2. applications analog front-end pstn interfaces dect base stations low / high speed modems payphones pbx / fax pc-voice and mixed voice/data applications remote configuration / e-pay / pos terminals settop boxes utility meter reading voip converters on pots (terminal side) 3. ordering information number package description MLX32001EE-SO16WREEL plastic small outline package; 16 leads; body width 300 mil packed per 1500 pcs reel mlx32001ee-so16wtube plastic small outline package; 16 leads; body width 300 mil packed per 22 tubes of 46 pcs / tube = 1012. mlx32001fa-so16wreel plastic small outline package; 16 leads; body width 300 mil packed per 1500 pcs reel mlx32001fa-so16wtube plastic small outline package; 16 leads; body width 300 mil packed per 22 tubes of 46 pcs / tube = 1012. 4. functional block diagram 4.1 modem application
mlx32001 universal pstn line interface page 2 of 11 mlx32001 universal pstn line interface / rev1.2 17 may 2000 4.2 pc-voice application 4.3 pstn line powered modem application 5. description mlx32001 implements the dc-handler of a universal pstn line interface. it is fully telephone line powered and digital control is performed by a special uart flex. there is no crystal or resonator linked to mlx32001 and thus the core as well as the uart are capable to adapt themselves to the host uart's preferred communication speeds. the synchronisation time of the uart is 2400 bps +/- 25%. to ensure that long term drift and temperature will not affect communication stability, the communication channel must be synchronised on a frequent basis. if the line conditions get low and mlx32001 has to switch down to 1 of its 4 low power modes, synchronisation locking expires to ensure that power supply dependent communication times will never unlock. there are 64 bytes (512 bits) of user ram accessible in mlx32001 to store country and network operator depen-dent settings. these settings are retrieved from a small parameter database that supports data originating from the following 3 sources: 1) type approval regulations that more or less specify the network (e.g. what kind of ac termination is required; what levels of open line voltages, ring voltages and online currents can be expected; how are transient timings for online / offline / clip and polarity dependent phenomena specified, what common mode unbalance is required) 2) design and market experience : known network errors and network non-compliance problems can be implemented in mlx32001 drivers and state machine to let the line interface properly handle interworking problems (e.g. how much spikes can be expected during polarity reversal; how much time does it take the power supply slic to switch between online detect and online supply mode; what total current interruptions can be expected; how much time can pass before an acceptable dialtone is detected) 3) local line adaptation : local line adaptation is defined as the ability to measure the telephone line conditions of the actual network termination point
mlx32001 universal pstn line interface page 3 of 11 mlx32001 universal pstn line interface / rev1.2 17 may 2000 where mlx32001 is powered and accordingly adapt optimally to that telephone network. this means that mlx32001 is capable of measuring all relevant dc and transient phenomena on a telephone line that characterise this line. consequently settings can be optimised for (extremely) long line operation, low current operation, parallel operation with 1 or more telephones in parallel, line monitoring (detect line transients, line parallel pickup and replace and total line disconnect). in a pc controlled environment, parameters and drivers are residing in the pc?s memory, while the front end (usb) controller such as the usb cypress c7y67001 is performing bitwise control and is handling the uart. mlx32001 is not only a fully line powered device, it also generates power supply for local hosting microcontrollers. it has 2 different sources of power supply generation: aux5, aux10 delivering 5 and 10ma nominally if sufficient line current is available. the aux5 supply can be programmed in steps of 20 m a. this allows the designer to modify the host's supply current while exactly regulating the supply voltage with just an internal a/d convertor input on the host. with those features it is possible to built standalone (modem) applications with hosting controllers like nec upd78f9177g, texas instruments msp430-series and hitachi h8-36xx series. these controllers are then fully line powered but still perform powerful functions like full v.22 modem implementation, s0 contact scanning for utility meters, e-data transfer interface for pos and e-cash modules etc. any line interface requiring galvanic separation has a line powered pstn-side and a host controller side where primary controlling power is available. with the mlx32001 there is a consistent and dominant separation between ac and dc handling: all non-ac handling is regarded as dc handling and is performed by mlx32001 at the pstn-powered side, including (im)pulse dialing, overshoot control, polarity detection, hookswitch control, ring detection and line event monitoring. for universal line interface designs, the dc handling part is always identical all pure ac-handling is performed at the host side, as it differs from application to application and depends on ac line transformer choice, the number of reference termination sections and the number of smtr feedback filter elements. for worldwide coverage of balanced return loss 2 impedances are needed. if the design specification is limited to 600e terminating countries only 1 is required. the excellent thd and noise characteristics are the result of the fully line powered operation. other daa's transfer power supply from the host to the pstn side, giving possible problems for lightning safety, radio interference at higher frequencies and frame ground sensitive coupling problems. the ac-handler part of the design has not been integrated into mlx32001 for 2 major reasons: 1) in designs that include a galvanic separation, the dc- handler is on the line powered side, while the ac- handler resides on the host powered side. since mlx32001 supports each possible line transformer, the dc-handler section is identical for all designs, while the ac-handler part depends very much on line transformer selection. 2) for galvanically coupled designs the stmr filters used require capacitor values up to 2.2 m f. integrating such high values into silicon will either be expensive or (with some impedance conversion tricks) will result in a total harmonic distortion of the transmitting stage that is higher than the 72db required by v.90 modems. to allow any design to work with mlx32001 it was decided to build up any appropriate ac-handler by conventional components, thus reaching the best possible thd levels as well as the most cost effective total design setup. interworking reliability is the most important aspect of any global line interface. mlx32001 design setup has been done together with a traditional ac-type line transformer for galvanic barrier implementation. this has the following advantages: 1) the setup is totally safe for common mode lightning: there are no high voltage capacitors required between the pstn powered side and the host powered side. since the coupling is inductive, the higher the frequency, the higher the impedance and the lower the coupling currents. 2) proven and reliable electromagnetic coupling technology 3) 4kv of separation can be reached supporting global access with 1 transformer 4) 2 standard pc-817 opto-couplers are sufficient to pass all mlx32001 digital control signals finally, mlx32001 supports full line event monitoring. this means that any line event occurring in online or offline mode will generate an event within mlx32001 where the host decides what to do with it. for modems, this means that other telephones picked up and replaced in parallel can be properly handled without closing down the connection or terminating the download procedures. also mlx32001 can be linked 'virtually' online. in this mode, mlx32001 based designs never answer incoming calls and never originate calls during line busy states. also the actual line use versus daytime period is 'monitored' and it is consequently decided what is the best period to make service calls or autodownload configuration data.
mlx32001 universal pstn line interface page 4 of 11 mlx32001 universal pstn line interface / rev1.2 17 may 2000 pin-type description pin name pintype 1 ln analog signal hv 2 dci analog coil in 3 dco analog coil out 4 aux10 analog hv 5 aux5 analog hv 6 stab analog coil reference 7 ring analog input 8 pol analog input 9 vss ground 10 tx dig output 11 rx dig input 12 vcc positive power supply 13 swvcc dig output 14 dp output hv 15 ac1 analog signal hv 16 ac0 analog signal hv note hv = high voltage pin 6. pin description pstn connected pins at left host connected pins at right remarks : low voltage signals are on the bottom half. high voltage pins at the upper half. ring/pol are grouped together and should be routed together on the pcb. ln/dci are grouped together. the highest possible dc current is flowing through these pins. logic control signals are grouped together (rx, tx). ac0/ac1 switches aux5, aux10 and dp are as close as possible to ln. 7. package description, dimensions in inches and (millimeters)
mlx32001 universal pstn line interface page 5 of 11 mlx32001 universal pstn line interface / rev1.2 17 may 2000 8. electrical specifications note: all parameters are specified at 20 degrees celsius and vcc = 3.3v unless stated otherwise vcc positive power supply reference min typ max unit operating supply voltage v cc 1.8 3.3 7.2 v reduced operating area supply voltage (sos) v cc 1.4 3.2 v hysteresis power-on-reset circuitry v cchyst 0.6 v operating supply currents into ln: offline standby i ln 7 15 m m a offline during activity detect i ln 70 100 m m a offline during activity detect in sos i ln 140 200 m m a online supply in zener area i ln 4.0 4.3 4.6 ma online supply not in zener area i ln 3.1 3.3 3.5 ma ln input voltage range v ln -0.6 42 v online current (*) aux10 and aux5 active and fully on i onl 0.2 3.3 22.1(*) ma online impedance 300-3400hz dco off z onl 40 k w w resistor to c stab for dco control rln stab 320 400 480 k w w resistor to c stab in dco start mode rln start 15 21 27 k w w pin capacitance c ln 100 pf ac signal distortion in 100..10khz band between either ac0 and ac1 outputs: thd -80 db ln input (fa version) noise generation in 300?3400 hz band @ bw = 31hz relative to a 300e termination p noise -87 dbm dci input voltage range v dci -0.6 v cc +0.6 v mute current (v dci =3v) i mute -50 ma mute offset (v ln - v dci ) @ i mute = 50ma v mute 1.0 1.5 v mute offset (v ln - v dci ) @ i mute = 10ma v mute 0.3 0.4 v input impedance to ground r dci 70 87 105 k w w pin capacitance c dci 50 pf dco output source current (? fedco >= 50, i dc = 100ma) i oh 3.5 7.8 ma sink current i ol 3.0 ma q dco dc current gain q dco h fe 50 output impedance from dco r dco 100 w w voltage range -0.6 3.6 v pin capacitance when dco disabled c dco 50 pf output impedance z d co 100 w w aux10 output auxiliary voltage range v aux10 -0.6 42 v dc leakage current i aux10leak 1 m m a supply current i aux10 9.5 10 10.5 ma input impedance to ground when disabled r aux10 10 m w w input impedance to ln when enabled z aux10 1 m w w pin capacitance c aux10 20 pf
mlx32001 universal pstn line interface page 6 of 11 mlx32001 universal pstn line interface / rev1.2 17 may 2000 aux5 output auxiliary voltage range v aux5 -0.6 42 v battery backup current (v ln >= 4v) i aux5backup -4 -25 m m a supply current i aux5 4.5 5 5.5 ma input impedance to ground when disabled r aux5 8 m w w input impedance to ln when enabled z aux5 400 k w w pin capacitance c aux5 20 pf spymode operation: 1 lsb dc current step iaux5 step 18 20 22 m m a spymode full range current i aux5 ma stab input voltage range v stab -0.6 v cc +0.6 v discharge peak current i stabdis 5 ma dc leakage @ 1 lsb v ln programming error i stableak 300 na pin capacitance c stab 3 pf ring input voltage range v ring -0.6 v cc +0.6 v ac input impedance relative to c stab zin ring 0.75 1 1.25 m w w dc leakage current i ringleak 100 na pin capacitance c ring 3 pf pol input voltage range v pol -0.6 v cc +0.6 v ac input impedance relative to c stab zin p ol 0.75 1 1.25 m w w dc leakage current i polleak 100 na pin capacitance c pol 3 pf tx output output voltage low (i ol =0.5ma) vol tx 0.3 v dc leakage current i txleak 100 na output sink current at vcc > 2.1v i txsink 1.7 3.5 ma max. data transfer cap. in offline (i txsink = 500ua) n txmaxbytes 30 bytes/s pin capacitance c tx 3 pf rx input (fa) version quiescent current from rx (v rx = 0v) rpu rx -5 m m a input voltage low vil rx 0.1 v input voltage high vih rx 0.3 v hysteresis 1 v rxhyst 0 v maximum data transfer capacity in offline n rxmaxbytes 60 bytes/s pin capacitance c rx 3 pf uartflex locking area for 0x55 sync_wdr t lockspan 1800 2400 3000 bits/s rx input (ee) version pull-up resistor to v cc rpu rx 66 k w w input voltage low vil rx 0.33vcc v input voltage high vih rx 0.66vcc v hysteresis v rxhyst 0.6 v 1 the rx pin in fa version is a current sourced driving pin that eliminates the typical miller capacity problem of an optocoupler. there is no voltage change on the pin during transfer.
mlx32001 universal pstn line interface page 7 of 11 mlx32001 universal pstn line interface / rev1.2 17 may 2000 maximum data transfer capacity in offline n rxmaxbytes 30 bytes/s pin capacitance c rx 3 pf uartflex locking area for 0x55 sync_wdr t lockspan 1800 2400 3000 bits/s swvcc output swvcc voltage range v aux5 -0.6 v cc +0.6 v leakage current (low level) i swvccleak -1 m m a drive current (high level) i swvcc 0.25 0.5 1.0 ma pin capacitance c swvcc 6 pf dp output dp voltage range v dp -0.6 42 v dp maximum current sink iol dp 200 m m a dp leakage current ilk dp 100 na capacitance to ground c dpmin 3.3 nf resistance to ln in online (v ln >= 4v) r dpln 10 k w w ac0 & ac1 output voltage range v ac -0.6 42 v resistance to ln (closed, v ln >= 4v) ron ac 16 25 36 w w resistance to gnd (1 opened, v ln >= 4v) roff ac 600 k w w resistance to gnd (both closed, v ln >= 4v) roff ac 350 k w w internal clock frequency low speed mode f osclow 196 200 204 khz internal clock frequency highspeed mode f oschigh 3.136 3.2 3.264 mhz operating temperature t opernorm 0 20 70 c
mlx32001 universal pstn line interface page 8 of 11 mlx32001 universal pstn line interface / rev1.2 17 may 2000 9. typical application diagrams 9.1 v.90 modem block diagram line interface, dc-handler and line transformer dc handler a b b_handset a_handset eurli stab eurli ac0 eurli ac1 eurli gnd eurli rx eurli tx eurli vcc eurlicontrolbus eurli hv eurli ln eu rli au x1 0 eu rli au x5 eu rli dp offlinedata host application host vccbus host gnd eurli miso eurli mosi eurli reset actx acrx accontrolbus prog miso prog mosi pwrcontrolbus progcontrolbus xdsl a xdsl b eurli aux5 eurli aux10 digital control eurli vcc eurli tx eurli rx eurli gnd host vccbus eurli mosi eurli miso host gnd eurli reset ac handler host ac0 host gnd host vccbus host ac1 eurlicontrolbus eurli hv eurli ln host stab actx acrx accontrolbus eurli vcc offlinedata host gnd pstn connection a b a_handset b_handset xd sl a xd sl b ac coupling offlinedata offlinedata eurli hv eurli ln eurli ln eurli hv eurli ac0 eurli ac1 host ac0 host ac1 eurli gnd host gnd eurli stab host stab eurli vcc eurli vcc host application host ac0 host ac1 host vcc host gnd eurli miso eurli mosi eurli ring eurli ln eurli tx eurli dco eurli dp eurli dci eurli aux5 eurli gnd eurli stab eurli ac0 eurli ac1 eurli pol eurli swvcc host vcc eurli gnd eurli vcc eurli rx host gnd host ac0 host ac1 eurli ac1 eurli ac0 eurli hv offlinedata offlinedata eurli aux10 r2 tnr12g241k 1 2 f1 fuse/mjs/1a 1 2 r1 4.7e/metal oxide 1 2 l1 tc-250ux2-843 2 3 1 4 con1 pcbheader/100e/2p 1 2 1 2 c151 10n/400v 1 2 t152 bc547b/to92/600mw 2 1 3 r153 15e 1 2 t154 bc547b/to92/600mw 2 1 3 t153 bc547b/to92/600mw 2 1 3 r152 15e 1 2 r155 20e/1%/0.5w 1 2 r154 15e 1 2 c106 100p/25v 1 2 c107 100p/25v 1 2 ic201 pc817a 1 2 4 3 r201 1k8 1 2 t201 bc558b 2 3 1 r202 220k 1 2 r203 10k 1 2 ic202 pc817a 1 2 4 3 c303 100n/25v 1 2 r303 270e 1 2 c304 100n/25v 1 2 ic101 eurli/32001/soic16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ln(1) dci dco aux10 aux5 stab ring pol vss tx rx vcc swvcc dp ac1 ac0 t151 dn3545n8 1 2 3 r301 220e 1 2 c301 22u/50v 1 2 tr303 ats-312 1 3 2 4 d151 1n4004 1 2 d152 1n4004 1 2 d153 1n4004 1 2 d154 1n4004 1 2 c103 100u/10v 1 2 d101 1n4007 1 2 d102 1n4007 1 2 c102 4n7/50v 1 2 d104 1n4007 1 2 r102 10m/1% 1 2 r101 10m/1% 1 2 r105 51k/1% 1 2 d103 1n4007 1 2 r104 51k/1% 1 2 c105 1u/6.3v/mkt/ll 1 2 c101 4n7/50v 1 2 c104 22n/25v 1 2 rringhigh rpollow rringlow rpolhigh cstab cdp pstn connection 240v rslpe note: each dco transistor may dissipate in worst case 600mw tdco tdco tdco galvanic barrier galvanic barrier
mlx32001 universal pstn line interface page 9 of 11 mlx32001 universal pstn line interface / rev1.2 17 may 2000 9.2 pc-voice pc-voice block diagram pc-voice line interface and dc-handler dc handler eurli ac0 eurli ac1 eurli gnd eurli rx eurli tx eurli vcc host application host vccbus host gnd eurli miso eurli mosi actx acrx accontrolbus digital control eurli vcc eurli tx eurli rx eurli gnd host vccbus eurli mosi eurli miso host gnd ac handler eurli ac0 host gnd host vccbus eurli ac1 actx acrx accontrolbus eurli gnd eurli ring eurli ln eurli tx eurli dco eurli dp eurli hv eurli dci eurli aux5 eurli aux10 eurli gnd eurli stab eurli ac0 eurli ac1 eurli rx eurli pol eurli vcc eurli gnd eurli swvcc r1 4.7e/metal oxide 1 2 f1 fuse/mjs/1a 1 2 r2 tnr12g241k 1 2 con1 pcbheader/100e/2p 1 2 1 2 l1 tc-250ux2-843 2 3 1 4 c151 10n/400v 1 2 t152 bc547b/to92/600mw 2 1 3 r152 15e 1 2 t153 bc547b/to92/600mw 2 1 3 t154 bc547b/to92/600mw 2 1 3 r153 15e 1 2 r154 15e 1 2 r155 20e/1%/0.5w 1 2 c107 100p/25v 1 2 c106 100p/25v 1 2 ic101 eurli/32001/soic16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ln(1) dci dco aux10 aux5 stab ring pol vss tx rx vcc swvcc dp ac1 ac0 t151 dn3545n8 1 2 3 c103 100u/10v 1 2 d104 1n4007 1 2 c102 4n7/50v 1 2 d102 1n4007 1 2 d101 1n4007 1 2 d103 1n4007 1 2 r105 51k/1% 1 2 r101 10m/1% 1 2 r102 10m/1% 1 2 c101 4n7/50v 1 2 c105 1u/6.3v/mkt/ll 1 2 r104 51k/1% 1 2 c104 22n/25v 1 2 eurli tx eurli gnd eurli vcc eurli ac1 eurli rx eurli ac0 rringhigh rpollow rringlow rpolhigh cstab cdp pstn connection 240v rslpe note: each dco transistor may dissipate in worst case 600mw tdco tdco tdco
mlx32001 universal pstn line interface page 10 of 11 mlx32001 universal pstn line interface / rev1.2 17 may 2000 9.3 line powered modem / meter reading / pos application block diagram ac- and dc-handler eurli ring eurli ln eurli dco eurli dp eurli hv eurli aux5 eurli gnd eurli stab eurli ac0 eurli ac1 eurli pol eurli swvcc eurli aux10 eurli dci dvcc eurli gnd eurli rx eurli vcc eurli tx eurli ln eurli aux10 eurli aux5 eurli hv dvcc r401 4m7 1 2 d401 bat85 1 2 c401 goldcap 0.047f/5.5v 1 2 r2 tnr12g241k 1 2 f1 fuse/mjs/1a 1 2 r1 4.7e/metal oxide 1 2 t152 bc547b/to92/600mw 2 1 3 c151 10n/400v 1 2 l1 tc-250ux2-843 2 3 1 4 con1 pcbheader/100e/2p 1 2 1 2 r153 15e 1 2 t154 bc547b/to92/600mw 2 1 3 t153 bc547b/to92/600mw 2 1 3 r152 15e 1 2 r681 270e 1 2 c107 100p/25v 1 2 r155 20e/1%/0.5w 1 2 r154 15e 1 2 r683 750e 1 2 c681 150n/25v 1 2 r684 330e 1 2 r682 390e 1 2 c103 100u/10v 1 2 t151 dn3545n8 1 2 3 ic101 eurli/32001/soic16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ln(1) dci dco aux10 aux5 stab ring pol vss tx rx vcc swvcc dp ac1 ac0 c106 100p/25v 1 2 c682 56n/25v 1 2 c683 22u/50v 1 2 d101 1n4007 1 2 d102 1n4007 1 2 c102 4n7/50v 1 2 d104 1n4007 1 2 r102 10m/1% 1 2 r101 10m/1% 1 2 r105 51k/1% 1 2 d103 1n4007 1 2 c104 22n/25v 1 2 r104 51k/1% 1 2 c105 1u/6.3v/mkt/ll 1 2 c101 4n7/50v 1 2 c607 5n6/25v 1 2 r201 220k 1 2 r651 10k 1 2 t201 bc547b 2 1 3 r202 150k 1 2 c651 220n/50v 1 2 r601 10k 1 2 r605 4k7 1 2 t602 bc556b 2 3 1 c601 180n/25v 1 2 r602 220e 1 2 t601 bc547b 2 1 3 c603 1n/25v 1 2 c602 470p/25v 1 2 r604 300e 1 2 r603 120e 1 2 r607 75k 1 2 r606 75k 1 2 eurli miso host gnd eurli mosi dvcc actx stmr fb acrx rringhigh rpollow rringlow rpolhigh cstab cdp pstn connection 240v rslpe note: each dco transistor may dissipate in worst case 600mw tdco tdco tdco dc handler a b b_handset a_handset eurli stab eurli ac0 eurli ac1 eurli gnd eurli rx eurli tx eurli vcc eurlicontrolbus eurli hv eurli ln eurli aux10 eurli aux5 eurli dp offlinedata host application host vccbus host gnd eurli miso eurli mosi eurli reset actx acrx accontrolbus prog miso prog mosi pwrcontrolbus progcontrolbus xdsl a xdsl b eurli aux5 eurli aux10 digital control eurli vcc eurli tx eurli rx eurli gnd host vccbus eurli mosi eurli miso host gnd eurli reset power supply eurli vcc eurli hv eurli ln eurli ac0 eurli ac1 a b eurli gnd eurli dp eurli aux5 eurli aux10 host gnd pwrcontrolbus host vccbus ac handler host ac0 host gnd host vccbus host ac1 eurlicontrolbus eurli hv eurli ln host stab actx acrx accontrolbus eurli vcc offlinedata host gnd pstn connection a b a_handset b_handset xdsl a xdsl b ac coupling offlinedata offlinedata eurli hv eurli ln eurli ln eurli hv eurli ac0 eurli ac1 host ac0 host ac1 eurli gnd host gnd eurli stab host stab eurli vcc eurli vcc
mlx32001 universal pstn line interface page 11 of 11 mlx32001 universal pstn line interface / rev1.2 17 may 2000 host application and rx-amplifier 10. information for ordering please contact: melexis swiss branch 38, chemin de buchaux ch-2022 bevaix switzerland phone +41 (4132)8470660 fax +41 (4132)8470699 e-mail: iva@melexis.com web: www.melexis.com for design information please contact: joritel international b.v. mr rien van der linden fregatstraat 99 3534 rc utrecht netherlands phone: +31 (30)2421519 fax: +31 (30)2442176 e-mail: rien@joritel.nl web: www.joritel.nl iicc iicd pgm_fvpp txd host gnd host gnd rxd pgm_/res eurli mosi dac3 txd dac5 eegnd eegnd dac0 ledr pgm_fvpp pgm_/res eurli miso iicd dac4 rxgain1 dac2 avcc/2 iicc /swavcc dac1 rxd stmr fb fsk_in /swavcc avref avref ledr dvcc dvcc dvcc eurli miso eurli mosi stmr fb avcc dvcc dvcc dvcc host gnd host gnd host gnd host gnd avcc/2 host gnd avcc host gnd rxgain0 dvcc t802 bc556b 2 3 1 led801 led3mm/red/2ma 2 1 r842 1k 1 2 c807 100n/25v 1 2 r810 10k 1 2 led802 led3mm/grn/2ma 2 1 r841 1k 1 2 c815 22n/25v 1 2 r848 100k 1 2 r847 100k 1 2 c804 22p/25v 1 2 r809 1k 1 2 c806 15p/25v 1 2 x801 5mhz 1 2 c803 22p/25v 1 2 c805 15p/25v 1 2 x802 32khz 1 2 t811 bc547b 2 1 3 r827 220k 1 2 t813 bc558b 2 3 1 r832 1k 1 2 r831 47k 1 2 r829 220k 1 2 r828 3k3 1 2 r830 1k5 1 2 t812 bc547b 2 1 3 r835 1k8 1 2 c812 47p/25v 1 2 c813 470p/25v 1 2 c811 22n/25v 1 2 r837 820e 1 2 r839 1k 1 2 c814 22n/25v 1 2 nec qfp44 ic801 nec/pd78f9177_qfp44 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 44 43 42 41 40 39 38 37 36 35 34 33 23 24 25 26 27 28 29 30 31 32 p60/ani0 p61/ani1 p62/ani2 p63/ani3 p64/ani4 p65/ani5 p66/ani6 p67/ani7 avss p10 p11 p30/intp0ti81/cpt90 p31/intp1/to81 p32/intp2/to90 p33/intp3/to82/bzo90 p20/sck20/asck20 vdd1 p21/so20/txd20 p22/si20/rxd20 p23 p24 vpp avref avdd p53 p52 p51 p50 p05 vss1 p04 p03 p02 p01 xt2 xt1 reset x2 x1 vss0 vdd0 p25/ti80/ss20 p26/to80 p00 r840 1k 1 2 r808 10k 1 2 r818 10k/1% 1 2 r811 20k/1% 1 2 r821 10k/1% 1 2 r822 10k/1% 1 2 r819 10k/1% 1 2 r820 10k/1% 1 2 r814 20k/1% 1 2 r812 20k/1% 1 2 r813 20k/1% 1 2 r815 20k/1% 1 2 r816 20k/1% 1 2 c809 22n/25v 1 2 ic802 24c02a/p 1 2 3 4 8 7 6 5 a0 a1 a2 gnd vcc wp scl sda c801 22n/25v 1 2 con803 pinrow/10pd 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 r854 22k 1 2 r824 20k/1% 1 2 r852 22k 1 2 r853 22k 1 2 c810 100n/25v 1 2 actx dvcc stmr fb eurli miso eurli mosi acrx programmer option rxgain1 is low => +8db gain otherwise rxgain1 = high-z rxgain0 is low => +16db gain otherwise rxgain0 = high-z

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