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CX11253-11: 产品描述Modem, CMOS, PQFP64; 产品类别无线/射频/通信电信电路; 文件大小823KB，共48页; 制造商CONEXANT; 官网地址http://www.conexant.com/

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CX11253-11概述

Modem, CMOS, PQFP64

CX11253-11规格参数

参数名称	属性值
是否Rohs认证	不符合
Objectid	1812308405
包装说明	QFP, QFP64,.47SQ,20
Reach Compliance Code	compliant
JESD-30 代码	S-PQFP-G64
JESD-609代码	e0
端子数量	64
最高工作温度	70 °C
最低工作温度
封装主体材料	PLASTIC/EPOXY
封装代码	QFP
封装等效代码	QFP64,.47SQ,20
封装形状	SQUARE
封装形式	FLATPACK
电源	3.3/5 V
认证状态	Not Qualified
表面贴装	YES
技术	CMOS
电信集成电路类型	MODEM
温度等级	COMMERCIAL
端子面层	Tin/Lead (Sn/Pb)
端子形式	GULL WING
端子节距	0.5 mm
端子位置	QUAD

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SmartV.XX Modem

with 28-Pin CTLGA

V.90+/V.34/V.32bis CX81801

Smart Modem with CX20493

SmartDAA

Data Sheet

Doc. No. 102025G

February 24, 2003

SmartV.XX Modem with 28-Pin CTLGA Data Sheet

Revision Record

Revision

Date

2/24/2003

12/10/2002

12/6/2002

11/20/2002

8/17/2002

8/14/2002

5/17/2002

Comments

Rev. G release.

Rev. F release.

Rev. E release.

Rev. D release.

Rev. C release.

Rev. B release.

Initial release.

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 specifications and product descriptions at

any time, without notice. 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.

No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. Except as

provided in Conexant’s Terms and Conditions of Sale for such products, Conexant assumes no liability whatsoever.

THESE MATERIALS ARE PROVIDED “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED,

RELATING TO SALE AND/OR USE OF CONEXANT PRODUCTS INCLUDING LIABILITY OR WARRANTIES RELATING TO

FITNESS FOR A PARTICULAR PURPOSE, CONSEQUENTIAL OR INCIDENTAL DAMAGES, MERCHANTABILITY, OR

INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. CONEXANT FURTHER

DOES NOT WARRANT THE ACCURACY OR COMPLETENESS OF THE INFORMATION, TEXT, GRAPHICS OR OTHER ITEMS

CONTAINED WITHIN THESE MATERIALS. CONEXANT SHALL NOT BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL,

OR CONSEQUENTIAL DAMAGES, INCLUDING WITHOUT LIMITATION, LOST REVENUES OR LOST PROFITS, WHICH MAY

RESULT FROM THE USE OF THESE MATERIALS.

Conexant products are not intended for use in medical, lifesaving or life sustaining applications. Conexant customers using or selling

Conexant products for use in such applications do so at their own risk and agree to fully indemnify Conexant for any damages

resulting from such improper use or sale.

The following are trademarks of Conexant Systems, Inc.: Conexant™, the Conexant C symbol, “What’s Next in Communications

Technologies”™ and Modem-on-Hold. SmartDAA is a registered trademark of Conexant Systems, Inc. Product names or

services listed in this publication are for identification purposes only, and may be trademarks of third parties. Third-party brands and

names are the property of their respective owners.

For additional disclaimer information, please consult Conexant’s Legal Information posted at www.conexant.com, which is

incorporated by reference.

Reader Response:

Conexant strives to produce quality documentation and welcomes your feedback. Please send comments and

suggestions to tech.pubs@conexant.com. For technical questions, contact your local Conexant sales office or field applications

engineer.

Conexant

102025G

SmartV.XX Modem with 28-Pin CTLGA Data Sheet

Contents

1. Introduction..........................................................................................................................................1-1

1.1

1.2

Overview ......................................................................................................................................................................... 1-1

Features .......................................................................................................................................................................... 1-4

1.2.1

General Modem Features................................................................................................................................ 1-4

1.2.2

SmartDAA Features ........................................................................................................................................ 1-5

1.2.3

Applications.................................................................................................................................................... 1-5

Technical Overview......................................................................................................................................................... 1-6

1.3.1

General Description ........................................................................................................................................ 1-6

1.3.2

MCU Firmware................................................................................................................................................ 1-6

1.3.3

Operating Modes ............................................................................................................................................ 1-6

1.3.3.1

1.3.3.2

1.3.3.3

1.3.3.4

Data/Fax Modes.......................................................................................................................... 1-6

V.44 Data Compression.............................................................................................................. 1-7

Synchronous Access Mode (SAM) - Video Conferencing .......................................................... 1-7

TAM Mode.................................................................................................................................. 1-7

1.3

1.4

1.5

2.1

2.2

1.3.3.5

Worldwide Operation.................................................................................................................. 1-8

1.3.4

Reference Designs.......................................................................................................................................... 1-9

Hardware Description ..................................................................................................................................................... 1-9

1.4.1

CX81801 Smart Modem................................................................................................................................. 1-9

1.4.2

Digital Isolation Barrier................................................................................................................................... 1-9

1.4.3

CX20493 SmartDAA Line Side Device............................................................................................................ 1-9

Commands ................................................................................................................................................................... 1-10

Serial DTE Interface Operation........................................................................................................................................ 2-1

2.1.1

Automatic Speed/Format Sensing .................................................................................................................. 2-1

Establishing Data Modem Connections .......................................................................................................................... 2-2

2.2.1

Telephone Number Directory.......................................................................................................................... 2-2

2.2.2

Dialing ............................................................................................................................................................ 2-2

2.2.3

Modem Handshaking Protocol ....................................................................................................................... 2-2

2.2.4

Call Progress Tone Detection ......................................................................................................................... 2-2

2.2.5

Answer Tone Detection................................................................................................................................... 2-2

2.2.6

Ring Detection................................................................................................................................................ 2-2

2.2.7

Billing Protection ............................................................................................................................................ 2-2

2.2.8

Connection Speeds......................................................................................................................................... 2-3

2.2.9

Automode ....................................................................................................................................................... 2-3

2. Technical Specifications .......................................................................................................................2-1

102025G

Conexant

iii

SmartV.XX Modem with 28-Pin CTLGA Data Sheet

2.3

Data Mode ...................................................................................................................................................................... 2-3

2.3.1

Speed Buffering (Normal Mode) .................................................................................................................... 2-3

2.3.2

Flow Control ................................................................................................................................................... 2-4

2.3.3

Escape Sequence Detection............................................................................................................................ 2-4

2.3.4

BREAK Detection ............................................................................................................................................ 2-4

2.3.5

Telephone Line Monitoring............................................................................................................................. 2-4

2.3.6

Fall Forward/Fallback (V.90/V.34/V.32 bis/V.32) ............................................................................................ 2-4

2.3.7

Retrain ............................................................................................................................................................ 2-4

2.3.8

Programmable Inactivity Timer ...................................................................................................................... 2-4

2.3.9

DTE Signal Monitoring (Serial DTE Interface Only) ........................................................................................ 2-5

Modem-on-Hold ............................................................................................................................................................. 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.42 bis Data Compression ............................................................................................................................ 2-6

2.5.5

MNP 5 Data Compression .............................................................................................................................. 2-6

MNP 10 Data Throughput Enhancement ........................................................................................................................ 2-6

Telephony Extensions..................................................................................................................................................... 2-6

2.7.1

Line In Use Detection ..................................................................................................................................... 2-6

2.7.2

Extension Pickup Detection ............................................................................................................................ 2-7

2.7.3

Remote Hangup Detection.............................................................................................................................. 2-7

Fax Class 1 and Fax Class 1.0 Operation ........................................................................................................................ 2-7

Voice/Audio Mode .......................................................................................................................................................... 2-7

2.9.1

Online Voice Command Mode ........................................................................................................................ 2-7

2.9.2

Voice Receive Mode ....................................................................................................................................... 2-7

2.9.3

Voice Transmit Mode ..................................................................................................................................... 2-8

2.9.4

Full-Duplex Receive and Transmit Mode ........................................................................................................ 2-8

2.9.5

Audio Mode .................................................................................................................................................... 2-8

2.9.6

Tone Detectors ............................................................................................................................................... 2-8

2.9.7

Speakerphone Modes..................................................................................................................................... 2-8

Caller ID .......................................................................................................................................................................... 2-8

Worldwide Country Support ........................................................................................................................................... 2-9

Diagnostics ................................................................................................................................................................... 2-10

2.12.1

Commanded Tests........................................................................................................................................ 2-10

2.12.2

Power On Reset Tests .................................................................................................................................. 2-10

Low Power Sleep Mode ................................................................................................................................................ 2-10

CX81801 Smart Modem Hardware Pins and Signals ..................................................................................................... 3-1

3.1.1

CX81801 Smart Modem Signal Summary ..................................................................................................... 3-1

3.1.1.1

3.1.1.2

3.1.2

LSD Interface (Through DIB)...................................................................................................... 3-1

Call Progress Speaker Interface ................................................................................................. 3-1

2.4

2.5

2.6

2.7

2.8

2.9

2.10

2.11

2.12

2.13

3.1

3. Hardware Interface ...............................................................................................................................3-1

3.1.1.3

Serial DTE Interface and Indicator Outputs ................................................................................ 3-1

CX81801 Smart Modem Pin Assignments and Signal Definitions ................................................................. 3-2

Conexant

102025G

SmartV.XX Modem with 28-Pin CTLGA Data Sheet

3.2

CX20493 LSD Hardware Pins and Signals ..................................................................................................................... 3-7

3.2.1

CX20493 LSD Signal Summary...................................................................................................................... 3-7

3.2.1.1

3.2.1.2

3.2.1.3

3.2.1.4

Smart Modem Interface (Through DIB) ..................................................................................... 3-7

Telephone Line Interface ............................................................................................................ 3-7

Voltage References..................................................................................................................... 3-7

General Purpose Input/Output.................................................................................................... 3-8

3.3

3.2.1.5

No Connects ............................................................................................................................... 3-8

3.2.2

CX20493 LSD Pin Assignments and Signal Definitions ................................................................................. 3-8

Electrical and Environmental Specifications ................................................................................................................. 3-13

3.3.1

Operating Conditions, Absolute Maximum Ratings, and Power Requirements ........................................... 3-13

3.3.2

Interface and Timing Waveforms ................................................................................................................. 3-15

3.3.2.1

Serial DTE Interface.................................................................................................................. 3-15

Crystal Specifications ................................................................................................................................................... 3-16

3.4

4. Package Dimensions ............................................................................................................................4-1

102025G

Conexant

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　　据国外媒体报道，AMD公司正在研制一种应用于移动设备和笔记本电脑的低功率处理器，该公司于周五证实了这个消息。　　该芯片将与英特尔的原子处理器竞争，有可能取代配备于儿童的二甲酚橙笔记本电脑上的AMD低功耗单晶片Geode x86系统。基于x86的系统芯片设计于2003年曾得到美国国家半导体的嘉奖，Geode是还可应用于薄客户机和嵌入式设备。AMD公司拒绝发布芯片的推出日期。　　AMD去...[详细]

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