Description
The ISOmodem® family of products is a complete modem ranging in speed from 56,000 bps to 2400 bps.
Features
- This data sheet applies to Si2457/34/15/04 Revision D.
- 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.
- 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 60.
Si2457-Skyworks.pdf