SI2494
SI2494 is V.92 AND V.34 ISOMODEM manufactured by Silicon Labs.
- Part of the SI2439 comparator family.
- Part of the SI2439 comparator family.
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 k Hz oscillator
- 4.915 MHz oscillator
- 27 MHz clock input
- Integrated DAA
- Over 6000 V capacitive isolation
- Parallel phone detect
- Globally-pliant line interface
- Overcurrent detection
- AT mand set support
- SMS / MMS support
- Firmware upgradeable
Applications
- Point-of-sale terminals
- Security
- EEPROM interface
- mercial 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 pression
- Supports telephone answering machine, music on hold, voice menus, etc
- Full-duplex speakerphone support
- Line echo cancellation
- Acoustic echo...
