Datasheet
v
Networking Silicon — 82540EP
Contents
1.0
Introduction......................................................................................................................... 1
1.1
Document Scope ...................................................................................................3
1.2
Reference Documents........................................................................................... 3
1.3
Product Code ........................................................................................................ 3
2.0
Features of the 82540EP Gigabit Ethernet Controller........................................................ 5
2.1
PCI Features ......................................................................................................... 5
2.2
MAC Specific Features.......................................................................................... 5
2.3
PHY Specific Features .......................................................................................... 6
2.4
Host Offloading Features ...................................................................................... 6
2.5
Manageability Features ......................................................................................... 7
2.6
Additional Device Features ................................................................................... 8
2.7
Technology Features............................................................................................. 8
3.0
Signal Descriptions............................................................................................................. 9
3.1
Signal Type Definitions.......................................................................................... 9
3.2
PCI Bus Interface .................................................................................................. 9
3.2.1
PCI Address, Data and Control Signals ................................................... 9
3.2.2
Arbitration Signals .................................................................................. 11
3.2.3
Interrupt Signal ....................................................................................... 11
3.2.4
System Signals....................................................................................... 11
3.2.5
Error Reporting Signals .......................................................................... 11
3.2.6
Power Management Signals ..................................................................12
3.2.7
Impedance Compensation Signals......................................................... 12
3.2.8
SMB Signals........................................................................................... 12
3.3
EEPROM and Serial FLASH Interface Signals ................................................... 12
3.4
Miscellaneous Signals......................................................................................... 13
3.4.1
LED Signals............................................................................................13
3.4.2
Other Signals..........................................................................................13
3.5
PHY Signals ........................................................................................................14
3.5.1
Crystal Signals ....................................................................................... 14
3.5.2
Analog Signals ....................................................................................... 14
3.6
Test Interface Signals..........................................................................................15
3.7
Power Supply Connections ................................................................................. 15
3.7.1
Digital Supplies....................................................................................... 15
3.7.2
Analog Supplies .....................................................................................15
3.7.3
Ground and No Connects.......................................................................16
3.7.4
Control Signals ....................................................................................... 16
4.0
Voltage, Temperature, and Timing Specifications............................................................ 17
4.1
Absolute Maximum Ratings................................................................................. 17
4.2
Recommended Operating Conditions ................................................................. 17
4.3
DC Specifications ................................................................................................ 18
4.4
AC Characteristics............................................................................................... 21
4.5
Timing Specifications ..........................................................................................22
4.5.1
PCI Bus Interface ................................................................................... 22
4.5.2
Link Interface Timing ..............................................................................26
