Register Descriptions

Table 13-92. VFTA[127:0] Bit Description

31

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

VLAN Filter Bit Vector

 

 

 

 

 

 

 

Field

Bit(s)

 

Initial

Description

 

 

Value

 

 

 

 

 

 

 

 

 

 

 

 

Bit Vector

31:0

X

 

Double-word wide bit vector specifying 32 bits in the VLAN

 

 

Filter table.

 

 

 

 

 

 

 

 

 

 

 

 

13.6Wakeup Registers

13.6.1Wakeup Control Register

WUC (05800h; R/W)

This register is reset any time LAN_PWR_GOOD is set to 0b. When AUX_POWER equals 0b, this register is also reset by de-asserting (rising edge) RST#.

31

4

3

2

1

0

Reserved

APMPME PME_S PME_EN

APME

Field

Bit(s)

 

Initial

Description

 

Value

 

 

 

 

 

 

 

 

 

 

 

 

 

Advance Power Management Enable

APME

0

0b

 

If set to 1b, APM Wakeup is enabled.

 

 

 

 

Note: Always 0b for the 82541ER.

 

 

 

 

 

 

 

 

 

PME_En

 

 

 

 

This read/write bit is used by the driver to access the PME_En

PME_En

1

0b

 

bit of the Power Management Control / Status Register

 

 

 

 

(PMCSR) without writing to the PCI configuration space.

 

 

 

 

Note: Do not set this bit for the 82541ER.

 

 

 

 

 

 

 

 

 

PME_Status

PME_Status

2

0b

 

This bit is set when the Ethernet controller receives a wakeup

 

event. It is the same as the PME_Status bit in the Power

 

 

 

 

Management Control / Status Register (PMCSR). Writing a 1b

 

 

 

 

to this bit clears the PME_Status bit in the PMCSR.

 

 

 

 

 

Software Developer’s Manual

327

Page 341
Image 341
Intel Intel Gigabit Ethernet Controllers Wakeup Registers, Wakeup Control Register, WUC 05800h R/W, Apmpme Pmes Pmeen Apme