
Datasheet
iii
Networking Silicon — 82546EB
Contents
1.0
Introduction.........................................................................................................................1
1.1
Document Scope...................................................................................................2
1.2
Reference Documents...........................................................................................2
1.3
Product Code ........................................................................................................3
2.0
Features of the 82546EB Dual Port Gigabit Ethernet Controller........................................4
2.1
PCI Features .........................................................................................................4
2.2
MAC Specific Features..........................................................................................4
2.3
PHY Specific Features ..........................................................................................5
2.4
Host Offloading Features ......................................................................................5
2.5
Manageability Features.........................................................................................6
2.6
Additional Device Features ...................................................................................6
2.7
Technology Features.............................................................................................7
3.0
Signal Descriptions.............................................................................................................8
3.1
Signal Type Definitions..........................................................................................8
3.2
PCI Bus Interface ..................................................................................................8
3.2.1
PCI Address, Data and Control Signals ...................................................8
3.2.2
Arbitration Signals ..................................................................................10
3.2.3
Interrupt Signals .....................................................................................10
3.2.4
System Signals.......................................................................................10
3.2.5
Error Reporting Signals..........................................................................11
3.2.6
Power Management Signals ..................................................................11
3.2.7
Impedance Compensation Signals.........................................................11
3.2.8
SMB Signals...........................................................................................11
3.3
EEPROM Interface Signals.................................................................................12
3.4
Flash Interface Signals........................................................................................12
3.5
Miscellaneous Signals.........................................................................................12
3.5.1
LED Signals............................................................................................12
3.5.2
Software Definable Signals ....................................................................13
3.6
PHY Signals ........................................................................................................13
3.6.1
Crystal Signals .......................................................................................13
3.6.2
PHY Analog Signals...............................................................................14
3.7
Serializer / Deserializer Signals...........................................................................15
3.8
JTAG Test Interface Signals ...............................................................................15
3.9
Power Supply Connections .................................................................................16
3.9.1
Power Support Signals...........................................................................16
3.9.2
Digital Supplies.......................................................................................16
3.9.3
Analog Supplies .....................................................................................16
3.9.4
Ground and No Connects.......................................................................17
4.0
Voltage, Temperature, and Timing Specifications............................................................18
4.1
Targeted Absolute Maximum Ratings .................................................................18
4.2
Recommended Operating Conditions .................................................................18
4.3
DC Specifications................................................................................................19
4.4
AC Characteristics...............................................................................................21
4.5
Serial Interface Specifications.............................................................................22