CMX644A

V.22 and Bell 212A Modem

Consumer Microcircuits Limited

CMX644A Features

* V.22/Bell 212A Compatible Modem Integrated DTMF Encoder Call Progress/Accurate Answer Tone Detection Line Reversal and Ringing Detector Low Power Operation (2.7V) Fully Integrated UART Functions Applications

CMX644A General Description

The CMX644A V.22 modem is intended for use in any telephone based information and telemetry system with low power requirements. Using V .22 signalling, fast call set up times and robust error resistant transmission can be implemented by efficient low power circuits. The circuit can operate at 1200b.

CMX644A Datasheet (1.34 MB)