data sheet conexant doc. no. 101522d december 20, 2001 smartscm smartscm smartscm smartscm socketmodem socketmodem socketmodem socketmodem v.90/k56flex ? /v.34/v.32 socketmodem family for worldwide data/fax/tam applications the conexant smartscm socketmodem with smartdaa technology supports analog data up to 56 kbps, 33.6 kbps, and 14.4 kbps, and analog fax up to 14.4 kbps. for most existing designs, the smartscm socketmodem is a drop-in replacement for the sf56d/sp, sf336d/sp, or sf144d/sp socketmodem with the exception of some voice features. this socketmodem (figure 1) is also ideal for new designs due to its low profile and use of conexant?s smartscm single chip modem with smartdaa . the socketmodem stores over 38 country profiles in memory and more can be added as required. as a v.90/k56flex data modem (sc43 series), the smartscm socketmodem can receive data at speeds up to 56 kbps from a digitally connected v.90- or k56flex-compatible central site modem. taking advantage of the pstn, which is primarily digital except for some client modem to central office local loops, v90/k56flex modems are ideal for applications such as remote access to an internet service provider (isp), on-line service, or corporate site. in this mode, the socketmodem can send data at speeds up to v.34 rates. as a v.34 data modem (sc34 series), the smartscm socketmodem operates at line speeds up to 33.6 kbps. as a v.32 modem, the smartscm socketmodem operates at line speeds up to 14.4 kbps. error correction (v.42/mnp 2-4) and data compression (v.42 bis/mnp 5) maximize data transfer integrity and boost average data throughput up to 230.4 kbps. non-error-correcting mode is also supported. as a fax modem, the smartscm socketmodem supports v.17 fax for class 1 or 2 send and receive rates up to 14.4 kbps. the smartscm socketmodem uses a conexant cx88168 smartscm, in a 128-pin tqfp, and a conexant cx20463 smartdaa, in a 32-pin tqfp. figure 1. top view of smartscm socketmodem features data modem features ? itu-t v.90/k56flex , v.34, v.32bis, v.32, v.22bis, v.22, v.23, and v.21; bell 212a and bell 103 ? v.42 lapm and mnp 2-4 error correction ? v.42bis and mnp 5 data compr ession fax modem features ? v.17, v.29, v.27 ter and v.21 channel 2 ? eia/tia 578 cl ass 1 and t.31 class 1.0 commands ? eia/tia 578 cl ass 2 commands advanced features ? extension pickup detection ? remote hang-up detection ? line-in-use detection ? digital pbx detection and protection telephony/tam ? v.253 commands ? 2-bit and 4-bit conexant adpcm, 8-bit linear pcm, and 4-bit ima coding ? 8 khz sample rate ? concurrent dtmf, ring, and caller id detection general features ? small size: 64.54 x 26.54 x 11.95 mm (l x w x h) ? operates with over 38 country profiles stored in memory ? optional additional country profiles ? operating temperature: 0 c to +70 c ? line quality monitoring and retrain ? line protection circuitry included ? +3.3 v operation (serial interface) ? +5 v operation (serial or parallel interface) compliance ? fcc part 15b compliant ? fcc part 68 compliant ? ce mark and ctr21 compliant ? ul/cul recognized component, file no. e93908
smartscm socketmodem data sheet 2 conexant 101522d ordering information the smartscm socketmodem ordering information is listed in table 1. table 1. smartscm socketmodem ordering information sales order no. part no. configuration sc56h1 sc43-e310-001 v.90/56 kbps, serial interface, +5 v operation sc56h1-l sc43-e320-001 v.90/56 kbps, serial interface, +3.3 v operation sc336h1 sc34-e310-001 v.34/33.6 kbps, serial interface, +5 v operation sc336h1-l sc34-e320-001 v.34/33.6 kbps, serial interface, +3.3 v operation sc144h1 sc14-e310-001 v.32/14.4 kbps, serial interface, +5 v operation sc144h1-l SC14-E320-001 v.32/14.4 kbps, serial interface, +3.3 v operation sc56h0 sc43-e010-001 v.90/56 kbps, parallel interface, +5 v operation sc336h0 sc34-e010-001 v.34/33.6 kbps, parallel interface, +5 v operation sc144h0 sc14-e010-001 v.32/14.4 kbps, parallel interface, +5 v operation reference documents title doc. no. smartscm socketmodem designer guide 101917 at commands reference manual 100722 ? 2001, conexant systems, inc. all rights reserved. information in this document is provided in connection with conexant systems, inc. (?conexant?) products. these materials are provided by conexant as a service to its customers and may be used for informational purposes only. conexant assumes no responsibility for errors or omissions in these materials. conexant may make changes to specifications and product descriptions at any time, without notice. conexant makes no commitment to update the information and shall have no responsibility whatsoever fo r conflicts or incompatibilities arising from future changes to its specifications and product descriptions. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. exce pt as provided in conexant?s terms and conditions of sale for such products, conexant assumes no liability whatsoever. these materials are provided ?as is? without warranty of any kind, either express or implied, relating to sale and/or use of conexant products including liability or warranties relating to fitness for a particular purpose, consequential or incidental damages, merchantability, or infringement of any patent, copyright or other intellectual property right. conexant further does not warrant the accuracy or completeness of the information, text, graphics or other items contained within these materials. conexant shall not be liable for any special, indirect, incidental, or consequential damages, including without limitation, lost revenues or lost profits, which may result from the use of these materials. conexant products are not intended for use in medical, lifesaving or life sustaining applications. conexant customers using or selling conexant products for use in such applications do so at their own risk and agree to fully indemnify conexant for any damages resulting from such improper use or sale. the following are trademarks of conexant systems, inc.: conexant?, the conexant c symbol, ?what?s next in communications technologies??, smartscm?, smartdaa?, k56flex?, and socketmodem?. product names or services listed in this publication are for identification purposes only, and may be trademarks of third parties. third-party brands and names are the property of their respective owners. for additional disclaimer information, please consult conexant?s legal information posted at www.c onexant.com, which is incorporated by reference. reader response: conexant strives to produce quality documentation and welcomes your feedback. please send comments and suggestions to tech.pubs@conexant.com. for technical questions, contact your local conexant sales office or field applications engineer.
smartscm socketmodem data sheet 101522d conexant 3 smartscm socketmodem pin connections serial ttl interface model pin signals for serial interface models are illustrated in figure 2 and listed in table 2. figure 2. smartscm socketmodem pin signals - serial ttl interface models 1 2 24 26 29 30 31 32 64 63 61 41 40 39 38 37 36 35 34 33 ~reset gnd dcdind rxind dtrind txind spkr, call monitor gnd vcc gnd ~dtrttl ~dcdttl ~ctsttl ~dsrttl ~rittl ~txdttl ~rxdttl ~rtsttl dled serial ttl 101522_002 tip ring table 2. smartscm socketmodem pin signals - serial ttl interface models pin function 1 telephone line interface ? tip. 2 telephone line interface ? ring. 24 reset, active low, 50 to 100 ms. closure to gnd for reset. 26 ground. 29 dcd indicator; can drive an led anode without additional circuitry. 30 rxd indicator; can drive an led anode without additional circuitry. 31 dtr indicator; can drive an led anode without additional circuitry. 32 txd indicator; can drive an led anode without additional circuitry. 33 rts interface, ttl levels. 34 rxd interface, ttl levels. 35 txd interface, ttl levels. 36 ring indicator interface, ttl levels. 37 dsr interface, ttl levels. 38 cts interface, ttl levels. 39 dcd interface, ttl levels. 40 dtr interface, ttl levels. 41 ground. 61 +5 vdc or +3.3 vdc input. 63 ground. 64 speaker, call monitor. * no pins in positions 3-23, 25, 27, 28, 42-60, and 62.
smartscm socketmodem data sheet 4 conexant 101522d parallel interface model pin signals for parallel interface models are illustrated in figure 3 and listed in table 3. figure 3. smartscm socketmodem pin signals ? parallel interface models 1 2 24 25 26 27 29 30 31 32 64 63 61 41 40 39 38 37 36 35 34 33 ~reset ha1 gnd hd7 hd2 hint ha0 ~hwt spkr, call monitor gnd vcc hd6 ~hcs hd3 hd1 hd0 hd5 hd4 ha2 ~hrd host bus host bus 101522_003 tip ring table 3. smartscm socketmodem pin signals ? parallel interface models pin function 1 telephone line interface ? tip. 2 telephone line interface ? ring. 24 reset, active low, 50 to 100 ms. closure to gnd for reset. 25 host bus address line 1. 26 ground. 27 host bus data line 7. 29 host bus data line 2. 30 host bus interrupt line, active high, resets on low. 31 host bus address line 0. 32 host bus write; when low, allows host to write to socketmodem. 33 host bus read; when low, allows host to read from socketmodem. 34 host bus address line 2. 35 host bus data line 4. 36 host bus data line 5. 37 host bus data line 0. 38 host bus data line 1 39 host bus data line 3. 40 host bus chip select, active low. 41 host bus data line 6. 61 +5 vdc input. 63 ground. 64 speaker, call monitor. * no pins in positions 3-23, 28, 42-60, and 62.
smartscm socketmodem data sheet 101522d conexant 5 physical dimensions the smartscm socketmodem dimensions are 2.541 in. (64.54 mm) [l] x 1.045 in. (26.54 mm) [w] x 0.471 in. (11.95 mm) [h] (figure 4). the overall height of 0.471 in. (11.95 mm) includes the pin length of 0.310 in. (7.87 mm). figure 4. smartscm socketmodem physical dimensions 101522_007 telephone line interface figure 5 illustrates the telephone line interface for the smartscm socketmodem. the tip and ring socketmodem pins connect directly to the rj-11 jack or customer- supplied telephone company (telco) interface. figure 5. smartscm socketmodem telephone line interface 1 2 3 4 5 6 x x x x rj-11c socketmodem pin 2 (ring) socketmodem pin 1 (tip) 1 2 3 4 x x alternate rj-11 101522_005
smartscm socketmodem data sheet 6 conexant 101522d electrical and environmental specifications the operating conditions are specified in table 4. the absolute maximum ratings are listed in table 5. the current and power requirements are listed in table 6. table 4. operating conditions parameter symbol limits units +3.3 v configuration supply voltage (pin 61 = +3.3 v) vdd +3.13 to +3.47 vdc operating ambient temperature t a 0 to +70 c +5 v configuration supply voltage (pin 61 = +5 v) vdd +4.75 to +5.25 vdc operating ambient temperature t a 0 to +70 c table 5. absolute maximum ratings parameter symbol limits units supply voltage (pin 61 = +3.3 v) vdd -0.5 to +4.0 vdc supply voltage (pin 61 = +5 v) vdd -0.5 to +7.0 vdc input voltage v in -0.5 to (vdd +0.5) vdc voltage applied to outputs in high impedance (off) state v hz -0.5 to (vdd +0.5) vdc dc input clamp current i ik 20 ma dc output clamp current i ok 20 ma static discharge voltage (25c) v esd 2500 vdc latch-up current (25c) i trig 200 ma storage temperature t stg -40 to +80 c table 6. current and power requirements mode typ. current (ma) max. current (ma) typ. power (mw) max. power (mw) +5 v configuration (vdd = +5 v) normal mode (serial ttl interface) 190 200 0.95 1.05 normal mode (parallel interface) 180 200 0.90 1.05 +3.3 v configuration (vdd = +3.3 v) normal mode (serial ttl interface) 170 180 0.56 0.63 test conditions: for pin 61 = +5 v, vdd = +5 v for typical values; vdd = +5.25 v for maximum values. for pin 61 = +3.3 v, vdd = +3.3 v for typical values; vdd = +3.47 v for maximum values.
smartscm socketmodem data sheet 101522d conexant 7 supported country profiles the smartscm socketmodem contains the country profiles listed in table 7. table 7. supported country profiles country code country code country code australia ? 9 hungary 51 poland 8a austria ? a india 53 portugal 8b belgium ? f ireland 57 singapore 9c brazil 16 israel 58 south africa 9f canada b5 italy 59 spain a ? china 26 japan ?? sweden* a5 czech republic 2e korea 61 switzerland a6 denmark 31 malaysia 6c taiwan fe finland* 3c mexico 73 thailand a9 france 3d the netherlands 7b turkey ae germany 42 new zealand 7e united kingdom b4 greece 46 norway* 82 united states b5 hong kong 5 ? philippines 89 ctr21 fd
www.conexant.com general information: u.s. and canada: (800) 854-8099 international: (949) 483-6996 headquarters ? newport beach 4311 jamboree rd. newport beach, ca 92660-3007
|
