Si2457 Datasheet (Silicon Laboratories)

Si2457, ISOMODEM

The Si2457, Si2434, and Si2415 are complete two-chip modems ranging in speed from 56,000 bps to 14,400 bps.

The ISOmodem® chipsets utilize Silicon Laboratories’ third-generation direct access arrangement (DAA) to provide a globally-programmable telephone line interface with an unparalleled level of

Si2457 Features

* Data modem formats ITU-T, Bell 300 bps up to 56 kbps V.21,V.22, V.29 Fast Connect V.42, V.42bis, MNP2-5 Automatic rate negotiation Type I and II caller ID decode No external ROM or RAM required UART or parallel interface AT command set support Applications Set-top boxes Point-of-sale terminals ATM