CX93010-2x UCMxx
USB V.92/V.34/V.32bis Controllered
Modem with CX20548 SmartDAA
Data Sheet
DSH-201723D
May 22, 2012
CX93010-2x UCMxx USB V.92/V.32bis Controllered Modem with CX20548 SmartDAA
Revision Record
Revision
A
B
C
D
Date
7/2/2008
7/29/2008
7/31/2008
5/22/2012
Comments
Initial release.
Rev B release
Rev C release
Rev D release
© 2008, 2012 Conexant Systems, Inc.
All Rights Reserved.
Information in this document is provided in connection with Conexant Systems, Inc. (―Conexant‖) products. These materials are
provided by Conexant as a service to its customers and may be used for informational purposes only. Conexant assumes no
responsibility for errors or omissions in these materials. Conexant may make changes to this document at any time, without notice.
Conexant advises all customers to ensure that they have the latest version of this document and to verify, before placing orders, that
information being relied on is current and complete. Conexant makes no commitment to update the information and shall have no
responsibility whatsoever for conflicts or incompatibilities arising from future changes to its specifications and product descriptions.
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CX93010-2x UCMxx USB V.92/V.32bis Controllered Modem with CX20548 SmartDAA
Contents
Document Revision History ......................................................................................................... viii
1. Introduction .......................................................................................................................... 1-1
1.1
1.2
Overview ................................................................................................................................................... 1-1
Features .................................................................................................................................................... 1-4
1.2.1
Modem Features ......................................................................................................................... 1-4
1.2.2
SmartDAA Features .................................................................................................................... 1-5
1.2.3
Applications ................................................................................................................................ 1-6
Technical Overview ................................................................................................................................... 1-6
1.3.1
General Description .................................................................................................................... 1-6
1.3.2
Embedded MCU Firmware ......................................................................................................... 1-6
1.3.3
Operating Modes ........................................................................................................................ 1-7
1.3.3.1 Data/Fax Modes ........................................................................................................... 1-7
1.3.3.2 V.44 Data Compression ................................................................................................ 1-7
1.3.3.3 Synchronous Access Mode (SAM) - Video Conferencing............................................. 1-8
1.3.3.4 Worldwide Operation .................................................................................................... 1-8
1.3.3.5 TAM Mode .................................................................................................................. 1-10
1.3.4
Reference Designs ................................................................................................................... 1-10
Hardware Description.............................................................................................................................. 1-10
1.4.1
CX93010-2x UCMxx USB Modem ............................................................................................ 1-10
1.4.2
Digital Isolation Barrier .............................................................................................................. 1-11
1.4.3
CX20548 SmartDAA 4 Line Side Device .................................................................................. 1-11
Commands .............................................................................................................................................. 1-11
USB Interface Operation ........................................................................................................................... 2-1
Establishing Data Modem Connections .................................................................................................... 2-1
2.2.1
Telephone Number Directory ...................................................................................................... 2-1
2.2.2
Dialing ......................................................................................................................................... 2-1
2.2.3
Modem Handshaking Protocol .................................................................................................... 2-1
2.2.4
Call Progress Tone Detection ..................................................................................................... 2-1
2.2.5
Answer Tone Detection............................................................................................................... 2-1
2.2.6
Ring Detection ............................................................................................................................ 2-1
2.2.7
Billing Protection ......................................................................................................................... 2-2
2.2.8
Connection Speeds .................................................................................................................... 2-2
2.2.9
Automode ................................................................................................................................... 2-2
Data Mode ................................................................................................................................................ 2-3
2.3.1
Speed Buffering (Normal Mode) ................................................................................................. 2-3
2.3.2
Flow Control ................................................................................................................................ 2-3
2.3.3
Escape Sequence Detection....................................................................................................... 2-3
2.3.4
BREAK Detection ....................................................................................................................... 2-3
2.3.5
Telephone Line Monitoring ......................................................................................................... 2-3
1.3
1.4
1.5
2.1
2.2
2. Technical Specifications....................................................................................................... 2-1
2.3
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CX93010-2x UCMxx USB V.92/V.32bis Controllered Modem with CX20548 SmartDAA
2.4
2.5
2.6
2.7
2.8
2.9
2.10
2.11
3.1
2.3.6
Fall Forward/Fallback (V.92/V.90/V.34/V.32bis/V.32) ................................................................. 2-3
2.3.7
Retrain ........................................................................................................................................ 2-4
2.3.8
Programmable Inactivity Timer ................................................................................................... 2-4
V.92 Features (V.92 Model) ...................................................................................................................... 2-4
2.4.1
Modem-on-Hold .......................................................................................................................... 2-4
2.4.2
Quick Connect ............................................................................................................................ 2-4
2.4.3
PCM Upstream ........................................................................................................................... 2-5
Error Correction and Data Compression ................................................................................................... 2-5
2.5.1
V.42 Error Correction .................................................................................................................. 2-5
2.5.2
MNP 2-4 Error Correction ........................................................................................................... 2-5
2.5.3
V.44 Data Compression .............................................................................................................. 2-5
2.5.4
V.42bis Data Compression ......................................................................................................... 2-5
2.5.5
MNP 5 Data Compression .......................................................................................................... 2-5
Telephony Extensions ............................................................................................................................... 2-6
2.6.1
Line In Use Detection.................................................................................................................. 2-6
2.6.2
Extension Pickup Detection ........................................................................................................ 2-6
2.6.3
Remote Hangup Detection.......................................................................................................... 2-6
Fax Class 1, Fax Class 1.0, and Fax Class 2 Operation ........................................................................... 2-6
Caller ID .................................................................................................................................................... 2-7
Worldwide Country Support ...................................................................................................................... 2-7
Diagnostics ............................................................................................................................................... 2-8
2.10.1 Commanded Tests ..................................................................................................................... 2-8
Low Power Stop Mode .............................................................................................................................. 2-8
CX93010-2x UCMxx USB Modem Hardware Pins and Signals ................................................................ 3-1
3.1.1
General ....................................................................................................................................... 3-1
3.1.1.1 USB Interface ............................................................................................................... 3-1
3.1.1.2 LED Interface ................................................................................................................ 3-1
3.1.1.3 LSD Interface (Through DIB) ........................................................................................ 3-1
3.1.1.4 Call Progress Speaker Interface ................................................................................... 3-1
3.1.1.5 Serial EEPROM Interface ............................................................................................. 3-1
3.1.2
CX93010-2x Signal Interface, Pin Assignments, and Signal Definitions ..................................... 3-2
CX20548 LSD Hardware Pins and Signals ............................................................................................... 3-7
3.2.1
General ....................................................................................................................................... 3-7
3.2.1.1 Host Side Device (HSD) Interface (Through DIB) ......................................................... 3-7
3.2.1.2 Power and Ground........................................................................................................ 3-7
3.2.1.3 Telephone Line Interface .............................................................................................. 3-7
3.2.1.4 Voltage References ...................................................................................................... 3-7
3.2.1.5 General Purpose Input/Output ...................................................................................... 3-7
3.2.2
Pin Assignments and Signal Definitions...................................................................................... 3-8
Electrical and Environmental Specifications ............................................................................................ 3-12
3.3.1
Operating Conditions, Absolute Maximum Ratings, and Power Requirements ........................ 3-12
Crystal Specifications .............................................................................................................................. 3-14
3. Hardware Interface............................................................................................................... 3-1
3.2
3.3
3.4
4. Package Dimensions ........................................................................................................... 4-1
5. Recommended QFN Surface Mount Land Patterns ............................................................ 5-1
6. USB General Operation ....................................................................................................... 6-1
6.1
Descriptors ................................................................................................................................................ 6-1
6.1.1
Device Descriptor ....................................................................................................................... 6-1
6.1.2
Configuration Descriptor ............................................................................................................. 6-3
6.1.3
Interface Descriptor .................................................................................................................... 6-4
6.1.4
Endpoint Descriptor .................................................................................................................... 6-5
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CX93010-2x UCMxx USB V.92/V.32bis Controllered Modem with CX20548 SmartDAA
6.1.5
6.1.6
Enumeration ............................................................................................................................... 6-6
Endpoints .................................................................................................................................... 6-6
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