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V1.03
Table of Contents
Chapter 1 Product Overview........................................................................................1-1
1.1
1.2
1.3
1.4
1.5
1.6
Overview..........................................................................................................1-1
Features............................................................................................................1-2
Applications.....................................................................................................1-2
Block Diagram.................................................................................................1-3
Abbreviations...................................................................................................1-3
Conventions .....................................................................................................1-5
Data Lengths............................................................................................1-5
Pin Types..................................................................................................1-5
Register Types..........................................................................................1-5
1.6.1
1.6.2
1.6.2
Chapter 2 Interface Description...................................................................................2-1
2.1
2.2
Pin Diagram .....................................................................................................2-1
Pin Description by Function ............................................................................2-2
Twisted Pair Interface..............................................................................2-2
5th Port (MII) Interfaces..........................................................................2-2
6th Port (MII) Interfaces..........................................................................2-3
LED Interface...........................................................................................2-5
EEPROM/Management Interface............................................................2-6
Power/Ground, 48 pins............................................................................2-6
Miscellaneous ..........................................................................................2-6
2.2.1
2.2.2
2.2.3
2.2.4
2.2.5
2.2.6
2.2.7
Chapter 3 Function Description ...................................................................................3-1
3.1
3.2
3.3
3.4
Functional Descriptions ...................................................................................3-1
10/100M PHY Block .......................................................................................3-1
100Base-X Module..........................................................................................3-1
100Base-X Receiver ........................................................................................3-2
A/D Converter..........................................................................................3-2
Adaptive Equalizer and timing Recovery Module ...................................3-2
NRZI/NRZ and Serial/Parallel Decoder..................................................3-2
Data De-scrambling.................................................................................3-3
Symbol Alignment ....................................................................................3-3
Symbol Decoding .....................................................................................3-3
Valid Data Signal.....................................................................................3-3
Receive Errors .........................................................................................3-4
100Base-X Link Monitor..........................................................................3-4
3.4.1
3.4.2
3.4.3
3.4.4
3.4.5
3.4.6
3.4.7
3.4.8
3.4.9
3.4.10
3.4.11
3.4.12
Carrier Sense ...........................................................................................3-4
Bad SSD Detection...................................................................................3-4
Far-End Fault..........................................................................................3-5
3.5
100Base-TX Transceiver .................................................................................3-5
Transmit Drivers......................................................................................3-5
Twisted-Pair Receiver..............................................................................3-5
10Base-T Module.............................................................................................3-5
Operation Modes .....................................................................................3-6
Manchester Encoder/Decoder .................................................................3-6
Transmit Driver and Receiver .................................................................3-6
Smart Squelch ..........................................................................................3-6
3.5.1
3.5.2
3.6
3.6.1
3.6.2
3.6.3
3.6.4
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