AN983 datasheet(26/91 Pages) ETC

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AN983B

PCI/miPCI Fast Ethernet Controller with integrated PHY

CR48 (offset = c0h), PMR0, Power Management Register0.

Bit #

Name

Descriptions

Default Val RW Type

31~27

PMES

PME_Support.

The AN983B will assert PME# signal while in the D0, D1, D2,

D3 power state. The AN983B supports Wake-up from the

above states.

11111b

D2S

D2_Support. The AN983B supports D2 Power Management

State.

D1S

D1_Support. The AN983B supports D1 Power Management

State.

24~22

AUXC

Aux Current. These three bits report the maximum 3.3 Vaux

current requirements for AN983B. If bit 31 of PMR0 is ‘1’, the

default value is 0101b, means AN983B need 100 mA to

support remote wake-up in D3cold power state.

010b

DSI

The Device Specific Initialization bit indicates whether

special initialization of this function is required before the

generic class device driver is able to use it.

0: indicates that the function does not require a device

specific initialization sequence following transition to the D0

un-initialized state.

---

Reserved.

PMEC

PME Clock. When “1” indicates that the AN983B relies on the

presence of the PCI clock for PME# operation. While “0”

indicates the no PCI clock is required for the AN983B to

generate PME#.

18~16

VER

Version. The value of 010b indicates that the AN983B

complies with Revision 1.1 of the PCI Power Management

Interface Specification.

010b

15~8

NIP

Next Item Pointer. This value is always 0h, indicates that

there is no additional items in the Capabilities List.

00h

7~0

CAPID

Capability Identifier. This value is always 01h, indicates the

link list item as being PCI Power Management Registers.

01h

CR49 (offset = c4h), PMR1, Power Management Register 1.

Bit #

Name

Descriptions

Default Val RW Type

31~16

---

Reserved

PMES

PME_Status, This bit is set when the AN983B would normally

assert the PME# signal for wake-up event, this bit is

independent of the state of the PME-En bit.

Writing a “1” to this bit will clear it and cause the AN983B to

stop asserting a PME# (if enabled). Writing a “0” has no

effect.

R/W*

14,13

DSCAL

Data_Scale, indicates the scaling factor to be used when

00b

ADMtek Inc.

www.admtek.com.tw

Rev. 1.8

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