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參數(shù)資料
| 型號(hào)： | LU97 |
| 英文描述： | Telecommunication IC |
| 中文描述： | 通信集成電路 |
| 文件頁(yè)數(shù)： | 2/2頁(yè) |
| 文件大?。?/td> | 83K |
| 代理商： | LU97 |
For additional information, contact your Microelectronics Group Account Manager or the following
INTERNET:
http://www.lucent.com/micro
E-MAIL:
docmaster@micro.lucent.com
N. AMERICA:
Microelectronics, Lucent Technologies Inc., 555 Union Boulevard, Room 30L-15P-BA, Allentown, PA 18103
1-800-372-2447
, FAX 610-712-4106 (In Canada:
1-800-553-2448
, FAX 610-712-4106)
ASIA PACIFIC: Microelectronics Asia/Pacific, Lucent Technologies Inc., 77 Science Park Drive, #03-18 Cintech III, Singapore 118256
Tel. (65) 778-8833
, FAX (65) 777-7495
CHINA:
Microelectronics Group, Lucent Technologies (China) Co., Ltd., A-F2, 23/F, Zao Fong Universe Building, 1800 Zhong Shan Xi Road,
Shanghai 200233 P. R. China
Tel. (86) 21 6440 0468, ext. 316
, FAX (86) 21 6440 0652
JAPAN:
Microelectronics, Lucent Technologies Japan Ltd., 7-18, Higashi-Gotanda 2-chome, Shinagawa-ku, Tokyo 141, Japan
Tel. (81) 3-5421-1600
, FAX (81) 3-5421-1700
EUROPE:
For data requests: Microelectronics Group Dataline:
Tel. (44) 7000 582 368
, FAX (44) 1189 328 148
For technical inquiries: GERMANY:
(49) 89 95086 0
(Munich), UNITED KINGDOM:
(44) 1344 865 900
(Ascot),
FRANCE:
(33) 1 40 83 68 00
(Paris), SWEDEN:
(46) 8 594 607 00
(Stockholm), FINLAND:
(358) 9 4354 2800
(Helsinki),
ITALY:
(39) 02 6608131
(Milan), SPAIN:
(34) 1 807 1441
(Madrid)
Lucent Technologies Inc. reserves the right to make changes to the product(s) or information contained herein without notice. No liability is assumed as a result of their use or application.
No rights under any patent accompany the sale of any such product(s) or information.
Copyright 1999 Lucent Technologies Inc.
All Rights Reserved
Printed in U.S.A.
November 1999
OT00-112DMOD
Printed On
Recycled Paper
FUNCTIONAL DESCRIPTION
The LU97 chip set is an integrated chip set that provides a low-cost, isolated, silicon-based MC‘97 compliant interface to
the telephone line. The chip set saves cost and board area by eliminating the need for a modem AFE or serial codec. It
also eliminates the need for an isolation transformer, relays, opto-isolators, and a 2-wire to 4-wire hybrid. The LU97 chip
set complies with AC‘97/MC‘97 Interface Specification Rev. 2.1.
The chip set is fully programmable to meet worldwide telephone line interface requirements, including those described
by CTR21, JATE, FCC, and various country-specific PTT specifications. The programmable parameters of the LU97 chip set
include ac termination, dc termination, ringer impedance, and ringer threshold. The LU97 chip set has been designed to
meet stringent worldwide requirements for out-of-band energy, billing-tone immunity, lightning surges, and safety
requirements.
CSP 1037
CSP 1037A/B
AC’97
DIGITAL
INTERFACE
CONTROL
INTERFACE
ISOLATION
INTERFACE
ISOLATION
INTERFACE
HYBIRD
AND
dc
TERMINATION
RING DETECT
OFF-HOOK
CLOCK
XOUT
MCLK/XIN
RESET
BIT_CLK
SYNC
SDATA_IN
SDATA_ OUT
ID0
ID1
GPIO_A
GPIO_B
RX
FILT
FILT2
REF
DCT
VREG
VREG2
REXT
REXT2
RNG1
RNG2
QB
QE
QE2
Figure 1. Functional Block Diagram
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