Intel Video Game Controller Intel Gigabit Ethernet Controllers User Manual
8
Software Developer’s Manual
Architectural Overview
2.2
External Architecture
Figure 2-1. 82546GB/EB External Interface
82541xx.
Figure 2-2. 82545GM/EM, 82544GC/EI, 82540EP/EM, and 82541xx External Interface
MDI
Interface B
Interface B
1000Base-T PHY Interfaces
Design for
Test Interface
Test Interface
External
TBI Interface
TBI Interface
LEDs
LEDs
Software
Defined Pins
Defined Pins
Software
Defined Pins
Defined Pins
EEPROM
Interface
Interface
SMBus
Interface
Interface
MDI
Interface A
Interface A
Flash Interface
MDIO
GMII/
MII
MII
MDIO
GMII/
MII
MII
Device
Function 0
MAC/Controller
(LAN A)
Function 0
MAC/Controller
(LAN A)
Device
Function 1
MAC/Controller
(LAN B)
Function 1
MAC/Controller
(LAN B)
PCI (64-bit, 33/66 MHz)/PCI-X (133 MHz)
10/100/1000
PHY
PHY
10/100/1000
PHY
PHY
1000Base-T PHY Interface
Design for
Test Interface
Test Interface
External
TBI Interface
(
TBI Interface
(
82545GM/EM only
)
LEDs
Software
Defined Pins
Defined Pins
EEPROM
Interface
Interface
SMBus
Interface
Interface
MDI
Interface
Interface
Flash Interface
MDIO
GMII/
MII
MII
Device
Function 0
MAC/Controller
Function 0
MAC/Controller
PCI (64-bit, 33/66 MHz)/PCI-X (133 MHz)
Note: 82540EP/EM and 82541xx do not support PCI-X; 82544GC/EI and 82541ER do not support SMBus interface
10/100/1000
PHY
PHY