SI2439

Si2494/39 V. 9 2 AND V. 3 4 I S O MODEM® WITH G LOBAL D A A Features  Data modem formats ITU-T, Bell 300 bps up to 56 kbps V.21,V.22, V.29 Fast Connect V.44, V.42, V.42bis, MNP2-5 Automatic rate negotiation V.92 PCM upstream V.92 Quick connect V.92 Modem on hold  Type I and II caller ID decode  No external ROM or RAM required  UART, SPI, or parallel interface  Flexible clock options Low-cost 32.768 kHz oscillator 4.915 MHz oscillator 27 MHz clock input  Integrated DAA Over 6000 V capacitive isolation Parallel phone detect Globally-compliant line interface Overcurrent detection  AT command set support  SMS / MMS support  Firmware upgradeable Applications  Point-of-sale terminals  Security  EEPROM interface  Commercial or industrial temperature range  DTMF detection/generation  Si3000 Voice Codec Interface Hardware support for mic, speaker, and/or handset Programmable voice filters, limiters, and sidetone Supports TBR-38, TIA/EIA4790 and other voice standards  Voice pass through with compression Supports telephone answering machine, music on hold, voice menus, etc  Full-duplex speakerphone support Line echo cancellation Acoustic echo cancellation  Medical  Remote monitoring Description The Si2494/39 ISOmodem is a full-featured ITU V.92/V.34-compliant modem that provides connect rates of up to 56 kbps, full-duplex, over the public switched telephone network (PSTN). Offered as a chipset with the Si2494/39 system-sid...