82562GT Datasheet, PDF (3/46 Pages) Intel Corporation – 10/100 Mbps Platform LAN Connect (PLC)

Networking Silicon — 82562GT
Contents
1.0
Introduction ...................................................................................................................... 1
1.1 Overview ............................................................................................................... 1
1.2 References ............................................................................................................ 1
1.3 Product Codes....................................................................................................... 1
2.0
82562GT Architectural Overview ....................................................................................2
2.1 LAN Connect Interface .......................................................................................... 2
2.1.1 Reset/Synchronize Operations.................................................................3
2.1.2 Reset Considerations ............................................................................... 3
2.1.3 LAN Connect Clock Operations ............................................................... 4
2.2 Hardware Configuration ........................................................................................ 4
3.0
Performance Enhancements...........................................................................................6
3.1 New Usage Modes: 1, 2, 3, and 4 ......................................................................... 6
3.1.1 Pin Usage for Modes 1, 2, 3, and 4.......................................................... 6
3.1.2 Enhanced Tx Mode .................................................................................. 7
3.2 Management Data Interface MDI/MDI-X ............................................................... 7
4.0
82562GT Signal Descriptions.......................................................................................... 9
4.1 Signal Type Definitions ......................................................................................... 9
4.2 Twisted Pair Ethernet (TPE) Pins ......................................................................... 9
4.3 External Bias Pins ................................................................................................ 9
4.4 Clock Pins ..........................................................................................................10
4.5 Platform LAN Connect Interface Pins .................................................................10
4.6 LED Pins ............................................................................................................11
4.7 Miscellaneous Control Pins ................................................................................11
4.8 Power and Ground Connections ........................................................................12
5.0
Physical Layer Interface Functionality.........................................................................13
5.1 100BASE-TX Mode .............................................................................................13
5.1.1 100BASE-TX Transmit Blocks ...............................................................13
5.1.2 100BASE-TX Receive Blocks ................................................................15
5.2 10BASE-T Mode .................................................................................................16
5.2.1 10BASE-T Transmit Blocks ....................................................................16
5.2.2 10BASE-T Receive Blocks .....................................................................16
5.3 Analog References..............................................................................................17
Datasheet
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