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