20431-21 Conexant Systems, Inc., 20431-21 Datasheet

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20431-21

Manufacturer Part Number
20431-21
Description
Communications, Analog Front End designed for use in full-rate and Glite ADSL modems
Manufacturer
Conexant Systems, Inc.
Datasheet

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consumer modems. Drivers, other software,
installation and application support, repairs
case of pre-installed internal PC modems).
solutions with V.90/V.92 connectivity and a
computing platforms on the market today.
and upgrades must be obtained from your
complete family of audio/communications
modems, multifunction home networking
video game consoles, and other personal
modem or computer manufacturer (in the
desktops, notebooks, handheld devices,
Conexant does not build, sell or support
dial-up modems, ADSL modems, Cable
efficient PC modem chipsets for use in
Our modem products include V.90/V.92
Conexant offers the most reliable and
system devices and advanced audio
Modems
software modules.
ADSL Modems |
ADSL Customer Premise Equipment
AccessRunner
AccessRunner USB ADSL Modem Device Set
AccessRunner Ethernet/USB ADSL Modem Device Set
AccessRunner ADSL/V.92/HomePNA 2.0/
Ethernet-PCI Modem Device Set
InfoSurge™ Cable Modems |
InfoSurge Cable Modem IC Solutions
InfoSurge Cable Modem Reference Designs
InfoSurge Cable Modem Software Solutions
Fixed Wireless Modems |
Dial-Up Modems |
Controller-Based Modem Solutions
SmartSCM™ Single-Chip Modem Device
SmartACF™ Modem Device Set
SCXXD Modem Device Set
Controllerless-Based Modem Solutions
SmartHCF Modem Device Set
SmartHCF USB Modem Device Set
CNH56D-USB Modem Device Set
Soft-Modem Based Solutions
HSFi Modem Device
SmartHSF Modem Device Set
SmartMC II™/SmartAMC™ and AC-Link Modem Device Sets
Controllerless Embedded Modem Solutions
ModemXpert™
V.92 – The New Standard
V.44 – New Data-Compression Protocol
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20431-21 Summary of contents

Page 1

Modems Conexant offers the most reliable and efficient PC modem chipsets for use in desktops, notebooks, handheld devices, video game consoles, and other personal computing platforms on the market today. Our modem products include V.90/V.92 dial-up modems, ADSL modems, Cable ...

Page 2

ADSL Modems Asymmetric Digital Subscriber Line (ADSL modem technology that transforms ordinary phone lines into high-speed digital lines for ultra-fast Internet access. ADSL client products encompass the CPE chipset and PC driver solutions that are optimized to address ...

Page 3

... PC as part of the software drivers. Analog Front End (AFE) The CX20431 AFE is designed for use in full-rate and G.lite ADSL modems. The receive path filters out unwanted echo and boosts the wanted signal before performing an Analog-to-Digital (A/D) conversion ...

Page 4

... PC as part of the software drivers. Analog Front End The CX20431 AFE is designed for use in full-rate and G.lite ADSL modems. The receive path filters out unwanted echo and boosts the wanted signal before performing an A/D conversion. The transmit path converts digital data-to-analog signals and performs a smoothing operation before presenting the signals to the line driver ...

Page 5

... ATM TC, FEC encoding/decoding, data synchronization and data interleaving. Analog Front End (AFE) The CX20431 AFE is designed for use in full-rate and G.lite ADSL modems. The receive path filters out unwanted echo and boosts the wanted signal before performing an A/D conversion. The Back to Main Menu ...

Page 6

Line Driver The integrated CX20441 line driver is more cost effective and power sensitive than a discrete solution, and is optimized ...

Page 7

... The software drivers enable the host PC to control and initialize the datapump. Analog Front End The CX20431 AFE is designed for use in full rate and G.lite ADSL modems. The receive path filters out unwanted echo and boosts the wanted signal before performing an A/D conversion. The ...

Page 8

Features • ADSL Compliance - Full-rate ANSI T1.413 Issue 2 and ITU G.dmt (G.992.1) - Splitterless ITU G.lite (G.992.2) - DMT modulation and demodulation - Rate Adaptive - Max downstream 8 Mbps - Max upstream 1 Mbps - Supports splitterless ...

Page 9

InfoSurge™ family of products, which support a variety of broadband applications. The CX24943 builds on the proven architecture of its predecessor and leads the industry in cost-effectiveness—through software programmability, high integration, robust performance, low power, and compact ...

Page 10

ETQFP • Reference designs available Part Number CN2811 Description Digital Cable Tuner RF IC InfoSurge Cable Modem Reference Designs Conexant’s Cable Modem Reference Designs include all the silicon and software necessary to create a complete subscriber modem that ...

Page 11

Support for Ethernet or USB • Low cost Part Number CX9450CM Description EuroDOCSIS Cable Modem Reference Design CX9430CM DVB Cable Modem Reference Design Conexant’s CX9430CM is a complete cable modem development kit designed to support the DVB and European ...

Page 12

Fixed Wireless Modems Conexant’s fixed wireless solutions are targeted for the emerging Point-to-Multipoint Markets in the U.S. (MMDS) and internationally (3.5 GHz). As standards are just starting to evolve for these market segments, Conexant’s broadband modem ICs offer a high ...

Page 13

Dial-Up Modems Dial-up modems provide Internet access over Public Switched Telephone Network (PSTN) and remain one of the most frequently used ways to go online. We made the world’s first dial-up modem in the 1970s, and have shipped millions of ...

Page 14

SmartSCM Data Modem: V.90 K56flex V.34 V.32 bis V.32 V.22 bis V.22 V.23 V.21 Bell 212A Bell 103 V.42LAPM MNP 2-4 Fax Modem: V.17 V.29 V.27 ter V.21ch.2 Class 1 Fax Commands Class 2 Fax Commands Features: FDSP Data/Fax W-Class ...

Page 15

SmartACF Data Modem: V. V.92 V. V.32 bis V.32 V.22 bis V.22 V.23 V.21 Bell 212A Bell 103 V.42LAPM MNP 2-4 Fax Modem: V.17 V.29 V.27 ter V.21ch.2 Class 1 Fax Commands Class 2 Fax ...

Page 16

Product Features • Data - V.92/V.90/V.34/V.32 bis device - V.44, V.42 bis and MNP 5 data compression - ITU-T V.90/K56flex, V.34, V.32 bis, V.32, V.22 bis, V.22, V.23, and V.21; Bell 212A and Bell 103 - V.42 LAPM and MNP ...

Page 17

SmartHCF Data Modem: V.90 V.34 V.32 bis V.32 V.22 bis V.22 V.23 V.21 Bell 212A Bell 103 V.42LAPM MNP 2-4 Fax Modem: V. V.17 V.29 V.27 ter V.21ch.2 Class 1 Fax Commands Class 2 Fax Commands x x ...

Page 18

PCI Bus interface operation. The modem operates with PSTN telephone lines in the U.S. and optionally, worldwide. Conexant’s USB modem solution takes the V.92/V.90 modem chipset family one step further to provide an inexpensive, easy-to-use, campact external modem. SmartHCF™ ...

Page 19

Internet to the desktop at V.90 speeds and is packed with features such as Fax Class 1 support and telephone answering machine functionality. SmartDAA technology reduces design costs by eliminating many of the discrete devices that are needed for a ...

Page 20

Applications USB external modems Part Number DS56-L510-001/011 Description CNH56D-USB Host-Controlled USB V.92 Modem Device Set Soft Modem-Based Solutions Conexant’s line of software modem solutions are proven, reliable products with cumulative shipments exceeding 31 million units to over 60 countries worldwide. ...

Page 21

SmartHSF Data Modem: V.90 K56flex V.34 V.32 bis V.32 V.22 bis V.22 V.23 V.21 Bell 212A Bell 103 V.42LAPM MNP 2-4 Fax Modem: V. V.17 V.29 V.27 ter V.21ch.2 Class 1 Fax Commands Class 2 Fax Commands ...

Page 22

Non-error-correcting mode is also supported. Fax Group 3 send and receive rates are supported up to 14.4 KBps with T.30 protocol. V.80 synchronous access mode supports host- controlled communication protocols, e.g., H.324 video conferencing. Audio ...

Page 23

EIA/TIA 578 Class 1 and T.31 Class 1.2 commands • Voice, telephony (TAM and SP models) - TIA-695 command set - 8-bit m-Law/A-law/linear coding - 8000 Hz sample rate - TAM support with concurrent DTMF detect, ring detect and ...

Page 24

These solutions are licensed in either object or source code to customers for inclusion in their target product application. The licenses provide all necessary modem code and engineering sup- port for layout and optimization assistance to ensure high modem performance. ...

Page 25

Internet service provider. Users who have problems merging onto the information superhighway call their PC OEMs for support, which at $15 to $25 per call, directly subtracts from the OEM’s bottom line. (In fact, Internet ...

Page 26

NetWaiting™ For customer convenience, Conexant bundles a modem-on-hold application called NetWaiting. The NetWaiting applet supports the following features: • Intercept MOH events triggered by the modem drivers, through the API supplied by the modem manufacturer • If calls are screened, ...

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