lxt384 Intel Corporation, lxt384 Datasheet - Page 3

• Manufacturer Part Number: lxt384
• Description: Octal T1/e1/j1 Short Haul Transceiver
• Manufacturer: Intel Corporation

Contents
1.0
2.0
3.0
4.0
5.0
6.0
Datasheet
Document Number: 248994
Revision Number: 004
Revision Date: September 22, 2005
Introduction to this Document
1.1
1.2
1.3
Product Summary
Pin Assignments and Package
Multi-Function Pins
4.1
4.2
Signal Descriptions
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
5.9
5.10
Functional Description
6.1
6.2
6.3
6.4
6.5
Audience and Purpose .......................................................................................... 9
Conventions and Terminology............................................................................... 9
Related Documents............................................................................................. 10
Operating Mode Multi-Function Pins ................................................................... 17
Framer/Mapper I/O Pins...................................................................................... 19
Signal Groupings.................................................................................................21
Microprocessor-Standard Bus and Interface Signals .......................................... 22
Framer/Mapper Signals....................................................................................... 25
5.3.1
5.3.2
5.3.3
Line Interface Unit Signals .................................................................................. 32
Clocks and Clock-Related Signals ...................................................................... 35
Configuration and Mode-Select Signals .............................................................. 37
Signal Loss and Line-Code-Violation Signals ..................................................... 39
Power and Grounds ............................................................................................41
Test Signals......................................................................................................... 42
Intel
Functional Overview ............................................................................................45
Initialization and Reset ........................................................................................ 45
Receiver .............................................................................................................. 46
6.3.1
6.3.2
6.3.3
6.3.4
6.3.5
6.3.6
6.3.7
Transmitter .......................................................................................................... 50
6.4.1
6.4.2
6.4.3
6.4.4
Line-Interface Protection .....................................................................................55
®
LXT384 Transceiver Line Length Equalizers.............................................43
Bipolar vs. Unipolar Operation - Receive Side ....................................... 25
Bipolar vs. Unipolar Operation - Transmit Side ...................................... 26
Framer/Mapper Signals - Details............................................................ 27
Receiver Clocking .................................................................................. 46
Receiver Inputs ...................................................................................... 46
Receiver Loss-Of-Signal Detector .......................................................... 47
Receiver Data Recovery Mode .............................................................. 48
Receiver Alarm Indication Signal (AIS) Detection .................................. 48
Receive Alarm Indication Signal (RAIS) Enable..................................... 48
Receiver In-Service Line-Code-Violation Monitoring.............................. 49
Transmitter Clocking ..............................................................................50
Transmitter Pulse Shaping ..................................................................... 51
Transmitter Outputs................................................................................ 53
Transmitter Output Driver Power and Grounds ...................................... 54
.................................................................................................... 11
.................................................................................................17
.................................................................................................21
........................................................................................... 44
.............................................................................. 9
........................................................................... 14
Contents
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