AX88141

PRELIMINARY

ASIX ELECTRONICS CORPORATION

17

CONFIDENTIAL

Tab - 15 SSID Configuration ID Register Description

3.2.11 New Capabilities Pointer (CNCP)

FIELD

R/W

DESCRIPTION

7:0

R

New Capabilities Pointer :

Point to Power management registers starting address, value is 44H

Tab - 16 CNCP Configuration ID Register Description

3.2.12 Power Management register block (Offset 44H to 49H)

OFFSET R/W

DESCRIPTION

44H

R

Capability ID :

The value is 01H to indicate power management block.

45H

R

Next item pointer :

The value is 00H to indicate this is the last block

46H

R

Power management capabilities, :

The value is 21H to indicate version 1.0 of PCI power management specification and need a device specific initialization

sequence following transition to the DO uninitialized state

47H

R

Power management capabilities :

The value is 48H to indicate PME# support from Do and D3 hot state.

48-49H

R/W Power management status :

<15> : PME# status

--

Set when the function would normally assert the PME# signal independent of the state of the PME# pin enable

bit. Write a “1” to this bit will clear it and cause the function to stop asserting a PME# (if enabled). Write a “0” no

effect. When reset default is “0”.

<8>

: PME# pin enable control bit --

A “1” enable the function to assert PME#. Writing a “0” PME# assertion is disabled. When reset default is “0”

<1:0> : Power state --

Only 00 (D0) and 11 (D3) supported

Tab - 17 CSID Configuration ID Register Description