CX81801 View Datasheet(PDF) - Conexant Systems

Part Name

Description

Manufacturer

CX81801

V.92/V.34/V.32bis Modem in 128-Pin TQFP with CX20493 SmartDAA® and Optional CX20442 Voice Codec

Conexant Systems 

CX81801-7x/8x SmartV.XX Modem Data Sheet

1.3

1.3.1

Features

General Modem Features

• Data modem

− Quick connect, Modem-on-Hold, and PCM upstream functions (V.92 models)

− ITU-T V.92/V.90 (V.92 models), V.34 (V.92 and V.34 models), V.32bis, V.32,

V.29, FastPOS (V.29), V.22 bis, V.22, V.22 Fast Connect, V.23, V.21,

Bell 212A, and Bell 103

− V.250 and V.251 commands

• Data compression and error correction

− V.44 data compression

− V.42 bis and MNP 5 data compression

− V.42 LAPM and MNP 2-4 error correction

• Fax modem send and receive rates up to 14.4 kbps

− V.17, V.29, V.27 ter, and V.21 channel 2

− EIA/TIA 578 Class 1 and T.31 Class 1.0

• V.80 synchronous access mode supports host-controlled communication protocols

with H.324 interface support

• Interfaces to optional external ROM/flash ROM, RAM, and/or optional serial

EEPROM

• Data/Fax/Voice call discrimination

• Hardware-based modem controller

• Hardware-based digital signal processor (DSP)

• Worldwide operation

− Complies to TBR21 and other country requirements

− On-hook and/or off-hook Caller ID detection for selected countries

− Call progress, blacklisting

− Internal ROM includes default values for 29 countries

− Additional and modified country profile can be stored in internal SRAM

• Caller waiting detection

• Caller ID detect

− On-hook Caller ID detection

− Off-hook Call Waiting Caller ID detection during data mode in V.92, V.90,

V.34, V.32bis, and V.32

• Distinctive ring detect

• Modem customization available through patch code that can be stored in optional

serial EEPROM or internal SRAM

• Telephony/TAM

− V.253 commands

− 2-bit and 4-bit Conexant ADPCM, 8-bit linear PCM, and 4-bit IMA coding

− 8 kHz sample rate

− Concurrent DTMF, ring, and Caller ID detection

1-4

Conexant

102199B

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