CMX867 - CML Microcircuits

CMX867 Low Power V.22 Modem

The CMX867 is a multi-standard modem for use in telephone based information and telemetry systems. Control of the device is via a simple high speed serial bus, compatible with most types of µC serial interface. The data transmitted and received by the modem is also transferred over the same serial bus. On-chip programmable Tx and Rx USARTs meeting the requir.

Features

• V.22, Bell 212A 1200/1200 or 600/600 bps DPSK
• V.23 1200/75, 1200/1200, 75, 1200 bps FSK
• Bell 202 1200/150, 1200/1200, 150, 1200 bps FSK
• V.21 or Bell 103 300/300 bps FSK
• DTMF/Tones Transmit and Receive
• ‘Powersave’ Standby Mode
• Software and Hardware Compatible with CMX868 CMX867 Low Power V.22 Modem Provisional Information Applications
• Telephone Telemetry Systems
• Remote Utility Meter Reading
• Security Systems
• Industrial Control Systems
• Electronic Cash Terminals
• Pay-Phones
• Cable TV Set-Top Boxes 1.1 Brief Description The CMX867 is a multi-standard modem for use in tel.