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Datasheet
Document #: 249115
Revision #: 003
Rev. Date: 08/07/01
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Contents
Tables
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MII #1 Signal Descriptions............................................................................................................9
MII #2 Signal Descriptions..........................................................................................................10
Inter-Repeater Backplane Signal Descriptions...........................................................................11
Twisted-Pair Port Signal Descriptions ........................................................................................13
LED Signal Descriptions.............................................................................................................14
Power Supply and Indication Signal Descriptions ......................................................................15
Miscellaneous Signal Descriptions.............................................................................................16
Serial LED Port Bit Stream.........................................................................................................23
ACTGLED Display Modes..........................................................................................................24
LED Terms..................................................................................................................................24
LED Mode 1 Indications..............................................................................................................25
LED Mode 2 Indications..............................................................................................................26
LED Mode 3 Indications..............................................................................................................27
LED Mode 4 Indications..............................................................................................................28
Cascading and Stacking Connections........................................................................................30
IRB Signal Details.......................................................................................................................31
LXT98x3 Magnetics Specifications.............................................................................................36
Oscillator Manufacturers.............................................................................................................37
Absolute Maximum Ratings........................................................................................................44
Operating Conditions..................................................................................................................44
Input System Clock1 Requirements ...........................................................................................44
I/O Electrical Characteristics.......................................................................................................45
100 Mbps IRB Electrical Characteristics.....................................................................................45
10 Mbps IRB Electrical Characteristics.......................................................................................46
100BASE-TX Transceiver Electrical Characteristics.................................................................47
10BASE-T Transceiver Electrical Characteristics......................................................................47
100 Mbps TP Port-to-Port Delay Timing Parameters.................................................................48
100BASE-TX MII-to-TP Port Timing Parameters .......................................................................49
100BASE-TX TP-to-MII Timing Parameters...............................................................................50
10BASE-T MII-to-TP Timing Parameters ...................................................................................51
10BASE-T TP-to-MII Port Timing Parameters............................................................................52
100 Mbps TP-to-IRB Timing Parameters1..................................................................................53
10 Mbps TP-to-IRB Timing Parameters1....................................................................................54
10 Mbps IRB-to TP Port Timing Parameters..............................................................................55