CX93040-1x Modem

20-Pin QFN

MCU/DSP

SmartDAA

Interface

DTE/Host

Interface

RAM

ROM

28.224 MHz

Crystal or Clock

Source

Digital Isolation

Barrier (DIB)

Optional

NVRAM

CX20548

SmartDAA 4

Line Side Device (LSD)

16-Pin QFN

Line Side

DIB

Interface

(LSDI)

Codec

Telephone

Line

Interface

External

Discrete

Components

DAA Hardware

Telephone

Line

TIP

RING

SPI Bus

Interface

CX93040-1x CSPMxx Features

Slave SPI Interface Modulations and

protocols

–

ITU-T V.92: Quick Connect, Modem-

on-Hold and PCM upstream

–

V.90/V.34/V.32bis/V.32

–

V.22bis/V.22/V.23/V.21

–

V.23 reverse, V.23 half-duplex

–

Bell 212A/Bell 103

–

V.29 FastPOS and V22 Fast

Connect

–

SIA Protocol and Contact ID for

alarm equipment

–

V.80 Synchronous Access Mode

–

V.17/V.29 Fax Class 1/1.0 and Fax

Class 2

V.44/V.42bis/MNP5 data compression

V.42/MNP2-4 Error correction

Call waiting (CW) detection for selected

countries

Hardware and software flow control and

speed buffering

Embedded and upgradable 63 country

profiles

Conexant Product Portfolio

Conexant’s comprehensive product portfolio includes solutions for imaging, audio, video surveillance, and embedded modem applications

.

www.conexant.com

General Information:

U.S. and Canada: (888) 855-4562

International: 1+ (949) 483-3000

Headquarters

4000 MacArthur Blvd.

Newport Beach, CA 92660

Doc# PBR-202792

Optional serial NVRAM interface for

country profile storage and code

upgrades

Full-duplex 8-bit/16-bit PCM voice pass-

through mode

28.224 MHz XTAL or clock input

Worldwide operation

–

Complies to TBR21 and other

country requirements

–

Type I Caller ID (CID) decoding

–

Type II Caller ID snooping

–

Call progress, blacklisting

–

Meets worldwide DC mask

requirements

Low power and voltage

–

Single +3.3 V supply

–

Low power consumption mode

–

+3.3 V I/O level

Compact, robust board design

–

Reference design files provided for

quick time-to-market

–

Reference design tested for PTT

and TBR.21 approvals

–

Small, low-profile modem packages

–

Reference design supports 6KV

isolation

SmartDAA Features

Extension pick-up detection

Digital line protection

Line reversal detection

Remote hang-up detection

Worldwide compliance

CX20548 SmartDAA 4 LSD in a 16-pin

QFN

Worldwide support with a single design

© 2011 Conexant Systems, Inc. All Rights Reserved. Conexant and the

Conexant logo are registered trademarks of Conexant Systems, Inc. All

other trademarks are owned by their respective owners. Although Conexant

strives for accuracy in all its publications, this material may contain errors or

omissions and is subject to change without notice. THIS MATERIAL IS

PROVIDED AS IS AND WITHOUT ANY EXPRESS OR IMPLIED

WARRANTIES, INCLUDING MERCHANTABILITY, FITNESS FOR A

PARTICULAR PURPOSE AND NON-INFRINGEMENT. Conexant shall not

be liable for any special, indirect, incidental or consequential damages as a

result of its use.