LU97 chip integrated direct access arrangement (DAA) that provides pro

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LU97-AC-Link Soft Modem Chip
LU97 chip integrated direct access arrangement (DAA) that provides programmable line interface meet international telephone line requirements. LU97 chip available 16-pin small outline packages (AC`97 interface CSP1037 telephone line interface CSP1037A/B). chip eliminates need AFE, isolation transformer, relays, opto-isolators, 2-wire 4-wire hybrid. LU97 chip dramatically reduces number discrete components cost required achieve compliance with international regulatory requirements. CSP1037 complies with AC`97/MC`97 Interface Specification Rev. 2.1.
Operating system support: Windows1 2000 compliant ACPI compliant High-speed data mode capabilities: ITU-T V.90 data rates 28000 bits/s- 56000 bits/s2 Ultrahigh compression throughput parallel access directly host ITU-T V.34 extended rates: 33600 bits/s- 2400 bits/s V.32terbo, V.32bis, fallbacks TIA/EIA standard command V.42 error correction (LAPM MNP3) V.42bis Class data compression mode capabilities: ITU-T V.17, V.29, V.27ter, V.21 TIA/EIA4 Class Video-ready modem interface (VRM) V.80 Complete includes following: AC`97/MC`97 compliant International line interface Compliant with FCC, CTR21, JATE, other PTTs power supply 2400 isolation Integrated ring detector Integrated analog front (AFE) 2-wire 4-wire hybrid Low-power standby mode Low-profile SOIC packages Applications: Modem riser cards Mobile daughter cards
Windows registered trademark Microsoft Corporation. Actual speeds over U.S. telephone lines vary less than 56K, current regulations line conditions. registered trademark Microcom, Inc. registered trademark Electronic Industries Association.
FUNCTIONAL DESCRIPTION
LU97 chip integrated chip that provides low-cost, isolated, silicon-based MC`97 compliant interface telephone line. chip saves cost board area eliminating need modem serial codec. also eliminates need isolation transformer, relays, opto-isolators, 2-wire 4-wire hybrid. LU97 chip complies with AC`97/MC`97 Interface Specification Rev. 2.1. chip fully programmable meet worldwide telephone line interface requirements, including those described CTR21, JATE, FCC, various country-specific specifications. programmable parameters LU97 chip include termination, termination, ringer impedance, ringer threshold. LU97 chip been designed meet stringent worldwide requirements out-of-band energy, billing-tone immunity, lightning surges, safety requirements.
1037
XOUT MCLK/XIN
1037A/B
CLOCK
FILT
RESET BIT_CLK SYNC SDATA_IN SDATA_
AC'97 DIGITAL INTERFACE ISOLATION INTERFACE ISOLATION INTERFACE
HYBIRD TERMINATION
FILT2 VREG VREG2 REXT REXT2
RING DETECT CONTROL INTERFACE
RNG1 RNG2
GPIO_A GPIO_B
OFF-HOOK
Figure Functional Block Diagram
additional information, contact your Microelectronics Group Account Manager following INTERNET: http://www.lucent.com/micro E-MAIL: docmaster@micro.lucent.com AMERICA: Microelectronics, Lucent Technologies Inc., Union Boulevard, Room 30L-15P-BA, Allentown, 18103 1-800-372-2447, 610-712-4106 Canada: 1-800-553-2448, 610-712-4106) ASIA PACIFIC: Microelectronics Asia/Pacific, Lucent Technologies Inc., Science Park Drive, #03-18 Cintech III, Singapore 118256 Tel. (65) 778-8833, (65) 777-7495 CHINA: Microelectronics Group, Lucent Technologies (China) Co., Ltd., A-F2, 23/F, Fong Universe Building, 1800 Zhong Shan Road, Shanghai 200233 China Tel. (86) 6440 0468, ext. 316, (86) 6440 0652 JAPAN: Microelectronics, Lucent Technologies Japan Ltd., 7-18, Higashi-Gotanda 2-chome, Shinagawa-ku, Tokyo 141, Japan Tel. (81) 3-5421-1600, (81) 3-5421-1700 EUROPE: data requests: Microelectronics Group Dataline: Tel. (44) 7000 368, (44) 1189 technical inquiries: GERMANY: (49) 95086 (Munich), UNITED KINGDOM: (44) 1344 (Ascot), FRANCE: (33) (Paris), SWEDEN: (46) (Stockholm), FINLAND: (358) 4354 2800 (Helsinki), ITALY: (39) 6608131 (Milan), SPAIN: (34) 1441 (Madrid)
Lucent Technologies Inc. reserves right make changes product(s) information contained herein without notice. liability assumed result their application. rights under patent accompany sale such product(s) information. Copyright 1999 Lucent Technologies Inc. Rights Reserved Printed U.S.A.
November 1999 OT00-112DMOD
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