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参数资料
型号： WJLXT384LEB1
厂商： CORTINA SYSTEMS INC
元件分类： 数字传输电路
英文描述： DATACOM, PCM TRANSCEIVER, PQFP144
封装： 20 X 20MM, ROHS COMPLIANT, LQFP-144
文件页数： 64/140页
文件大小： 1514K
代理商： WJLXT384LEB1
Datasheet
3
Document Number: 248994
Revision Number: 005
Revision Date: November 28, 2005
Contents
1.0
Introduction to this Document............................................................................11
1.1
Audience and Purpose ........................................................................................ 11
1.2
Conventions and Terminology............................................................................. 12
1.3
Related Documents............................................................................................. 12
2.0
Product Summary ....................................................................................................13
3.0
Pin Assignments and Package...........................................................................16
4.0
Multi-Function Pins .................................................................................................19
4.1
Operating Mode Multi-Function Pins ................................................................... 19
4.2
Framer/Mapper I/O Pins...................................................................................... 21
5.0
Signal Descriptions .................................................................................................23
5.1
Signal Groupings.................................................................................................23
5.2
Microprocessor-Standard Bus and Interface Signals .......................................... 24
5.3
Framer/Mapper Signals....................................................................................... 27
5.3.1
Bipolar vs. Unipolar Operation - Receive Side ....................................... 27
5.3.2
Bipolar vs. Unipolar Operation - Transmit Side ...................................... 28
5.3.3
Framer/Mapper Signals - Details............................................................ 29
5.4
Line Interface Unit Signals .................................................................................. 34
5.5
Clocks and Clock-Related Signals ...................................................................... 37
5.6
Configuration and Mode-Select Signals .............................................................. 39
5.7
Signal Loss and Line-Code-Violation Signals ..................................................... 41
5.8
Power and Grounds ............................................................................................43
5.9
Test Signals......................................................................................................... 44
5.10
Intel
LXT384 Transceiver Line Length Equalizers.............................................45
6.0
Functional Description...........................................................................................46
6.1
Functional Overview ............................................................................................47
6.2
Initialization and Reset ........................................................................................ 47
6.3
Receiver .............................................................................................................. 48
6.3.1
Receiver Clocking .................................................................................. 48
6.3.2
Receiver Inputs ...................................................................................... 48
6.3.3
Receiver Loss-Of-Signal Detector .......................................................... 49
6.3.4
Receiver Data Recovery Mode .............................................................. 50
6.3.5
Receiver Alarm Indication Signal (AIS) Detection .................................. 50
6.3.6
Receive Alarm Indication Signal (RAIS) Enable..................................... 50
6.3.7
Receiver In-Service Line-Code-Violation Monitoring.............................. 51
6.4
Transmitter .......................................................................................................... 52
6.4.1
Transmitter Clocking ..............................................................................52
6.4.2
Transmitter Pulse Shaping ..................................................................... 53
6.4.3
Transmitter Outputs................................................................................ 55
6.4.4
Transmitter Output Driver Power and Grounds ...................................... 56
6.5
Line-Interface Protection .....................................................................................57
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