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82559 — Networking Silicon
iv
Datasheet
5.1.1
5.1.2
5.1.3
5.1.4
5.1.5
5.1.6
10BASE-T Functionality......................................................................................44
5.2.1
10BASE-T Transmit Clock Generation...................................................44
5.2.2
10BASE-T Transmit Blocks....................................................................44
5.2.3
10BASE-T Receive Blocks.....................................................................44
5.2.4
10BASE-T Collision Detection................................................................45
5.2.5
10BASE-T Link Integrity.........................................................................45
5.2.6
10BASE-T Jabber Control Function.......................................................45
5.2.7
10BASE-T Full Duplex ...........................................................................46
Auto-Negotiation Functionality ............................................................................46
5.3.1
Description .............................................................................................46
5.3.2
Parallel Detect and Auto-Negotiation.....................................................46
LED Description ..................................................................................................47
100BASE-TX Transmit Clock Generation..............................................39
100BASE-TX Transmit Blocks ...............................................................39
100BASE-TX Receive Blocks ................................................................42
100BASE-TX Collision Detection...........................................................43
100BASE-TX Link Integrity and Auto-Negotiation Solution....................43
Auto 10/100 Mbps Speed Selection.......................................................43
5.2
5.3
5.4
6.0
82559 Modem Functionality.............................................................................................49
6.1
PCI Address Mapping to the Modem ..................................................................49
6.2
Modem Read and Write Cycles ..........................................................................49
6.3
Modem and Preboot eXtension Environment Coexistence.................................49
6.3.1
Programming Details..............................................................................49
6.3.2
Support Circuitry ....................................................................................50
7.0
82559 TCO Functionality .................................................................................................51
7.1
System Functionality with a TCO Controller .......................................................51
7.2
System Functionality without a TCO Controller ..................................................53
7.3
TCO Interface......................................................................................................53
7.3.1
SMB Alert Signal (SMBALRT#)..............................................................53
7.3.2
Alert Response Address (ARA) Cycle....................................................54
8.0
PCI and CardBus Configuration Registers.......................................................................55
8.1
Function 0: LAN (Ethernet) PCI Configuration Space.........................................55
8.1.1
PCI Vendor ID and Device ID Registers ................................................55
8.1.2
PCI Command Register .........................................................................56
8.1.3
PCI Status Register................................................................................57
8.1.4
PCI Revision ID Register........................................................................58
8.1.5
PCI Class Code Register .......................................................................58
8.1.6
PCI Cache Line Size Register................................................................58
8.1.7
PCI Latency Timer .................................................................................59
8.1.8
PCI Header Type ...................................................................................59
8.1.9
PCI Base Address Registers..................................................................59
8.1.10 Base Address Registry Summary ..........................................................61
8.1.11 CardBus Card Information Structure (CIS) Pointer................................61
8.1.12 PCI Subsystem Vendor ID and Subsystem ID Registers.......................61
8.1.13 Capability Pointer...................................................................................62
8.1.14 Interrupt Line Register............................................................................62
8.1.15 Interrupt Pin Register .............................................................................62
8.1.16 Minimum Grant Register ........................................................................62