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COMMUNICATION SEMICONDUCTORS
DATA BULLETIN
Features
• 1200bps - 1800bps half duplex Bell 202 Compatible Modem
• Optional 1200bps Data Retiming Facility can eliminate external UART
• Optional 5bps and 150bps Back Channel • Optional Line Equalization
MX614
Bell 202 Compatible Modem
PRELIMINARY INFORMATION
Applications
• Low Voltage Operation (3.3V to 5.0V) • Low Power Operation
1mA typ. @ 3.3V Operating Mode 1µA typ. Zero-Power Mode • Standard 3.58MHz Xtal/Clock • Telephone Telemetry Applications
Telephone Line
Line Interface
Status
Control
MX614
µC
Data
The MX614 is a low voltage, low power CMOS integrated circuit designed for the reception or transmission of asynchronous 1200bps data. This device is compatible with Bell 202 type systems.