CML Microcircuits
COMMUNICATION SEMICONDUCTORS
INV/Telecom/869A/1
CMX869A
Low-Power V.32bis Auto-modem
. . . . . . a multi-standard modem IC with manual-connect for EPOS-based systems
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The CML Advantage
Multi-standard QAM, DPSK and FSK modem IC with
multiple modes, data rates and automodem features
Asynchronous, synchronous and HDLC modes
V.22bis and V.22 manual modes for fast-connect in EPOS
HDLC packet dis-assembler in Rx path
Versatile telephone signalling functions provide end-to-end
communication
Low-overhead control and data via C-BUS serial interface
Independent (V.14) Rx and Tx USART functions
Flexible line-driver and hybrid circuits on chip
Hook-switch output
Software driven input and output analogue level settings
Very low-power (3.0 to 3.6 V) operation with powersave
Compact 24-pin TSSOP, SOIC and DIL packaging
Protocols and Data Rates
Auto-modem Modes
Full-duplex V.32bis, V.32, V.22bis, V.22
(14400, 12000, 9600, 7200, 4800, 2400, 1200 bps)
Manual Modem Modes
V.22bis, V.22 (2400, 1200 bps)
V.23 (1200/75, 1200/1200, 75, 1200 bps)
Bell 202 (1200/150, 1200/1200, 150, 1200 bps)
V.21 or Bell 103 (300/300 bps)
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