CX20437中文資料ETC數(shù)據(jù)手冊(cè)PDF規(guī)格書

[Conexant]

Host-Processed, V.90/K56flex Modem Device Set with CX11250 Host Side Device, CX20463 SmartDAA, and Optional CX20437 Voice Codec for PCI Bus/Mini PCI Based Mobile Applications

INTRODUCTION

OVERVIEW

The Conexant? SmartHSF Host-Processed (SoftK56?) V.90/K56flex? Modem Device Family with SmartDAA technology supports analog data up to 56 kbps, analog fax to 14.4 kbps, telephone answering machine (TAM), and PCI Bus/Mini PCI host interface operation. In addition, the device set optionally supports cellular phone interface (PDC high speed/PDC packet data, PHS data, CDMA/CDMA Packet data, GSM data) or voice/speakerphone. These modem devices meet the size and power requirements of the mobile environment. Table 1-1 lists the available models.

The modem operates with PSTN telephone lines in the U.S./Japan/Canada and, optionally, worldwide. Optional cellular interface supports Japanese PDC (Personal Digital Cellular) and PHS (Personal Handyphone System) phones, GSM (Global System for Mobile Communications) phones, and cdmaOne (IS-95A/IS-95B) phones. Modem and cellular data protocol software is provided.

Conexants SmartDAA technology (patent pending) eliminates the need for a costly line transformer, relays, and opto isolators typically used in discrete DAA (Data Access Arrangement) implementations. The SmartDAA architecture also simplifies product implementation by eliminating the need for country-specific board configurations enabling worldwide homologation of a single modem board design.

FEATURES

General Modem Features

? V.90 data modem with receive rates up to 56k bps and send rates up to V.34 rates

? ITU-T V.90, K56flex, V.34 (33.6 kbps), V.32 bis, V.32, V.22 bis, V.22, V.23, and V.21; Bell 212A and 103

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

? V.42 bis and MNP 5 data compression

? V.250 and V.251 commands

? V.17 fax modem with 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 commands

? Telephony/TAM

? V.253 commands

? 8-bit μ-Law/A-Law coding (G.711)

? 8-bit/16-bit linear coding

? 8 kHz sample rate

? Concurrent DTMF, ring, and Caller ID detection

? V.80 synchronous access mode supports host-controlled communication protocols with H.324 interface support

? V.8/V.8bis and V.251 commands

? Cellular data hardware interface and software support (C models)

? Protocol stacks for PDC high speed data, PDC packet data, PHS data, CDMA IS-95A/IS-95B data, and GSM data

? API for customer-provided cellular data protocol stack

? Full-duplex Speakerphone (FDSP) Mode (S models)

? Microphone and speaker interface

? Telephone handset/headset interface

? Data/Fax/Voice call discrimination

? Host software/MMX-based digital signal processing

? Single configuration profile stored in host

? Operates in U.S./Japan/Canada

? Worldwide operation including U.S./Japan/Canada (W models)

? Complies to TBR21 and other country requirements

? Caller ID detection

? System compatibility

? Windows 95/98, Windows NT 4.0, Windows 2000, and Windows Millennium (Windows Me) operating systems

? Microsoft/Intel PC 99 Windows Hardware Designer’s Guide-compliant

? Advanced Configuration and Power Interface (ACPI)

? Unimodem/V compliant

? Pentium 166 MHz MMX-compatible PC or greater

? 16 Mbyte RAM or more

? Thin packages support low profile designs

? CX11250 HSD: 100-pin TQFP (1.2 mm max. height)

? CX20463 LSD: 32-pin TQFP (1.6 mm max. height)

? CX20437 VC: 32-pin TQFP (1.6 mm max. height)

? +3.3V operation with +5V tolerant digital inputs

PCI Bus Host Interface Features

? 32-bit PCI Bus host interface

? Meets PCI Local Bus Specification Rev. 2.2

? PCI Bus Mastering interface

? 33 MHz PCI clock support

? Supports Power Management

? Meets PCI Bus Power Management Spec. Rev. 1.1

? ACPI Power Management Registers

? APM support

? PME# support

? Vaux/Vpci power switching support (-PCI model option)

? VauxDET support

SmartDAA Features

? Digital PBX line protection

? System side powered DAA operates under poor line current supply conditions

? Wake-on-ring

? Ring detection

? Line polarity reversal detection

? Line current loss detection

? Caller ID (CID) detect

? Pulse dialing

? Line-in-use detection – detects even while on-hook

? Remote hang-up detect – for efficient call termination

? Extension pickup detect

? Call waiting detection

? Meets worldwide DC VI Masks requirements (W models)

Applications

? Laptop, notebook, and handheld computers

? PCI Bus/Mini PCI embedded system boards

? PCI Bus/Mini PCI plug-in cards