STAC9271 datasheet(40/223 Pages) IDT

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STAC9271/9272/9273/9274

10-CHANNEL HIGH DEFINITION AUDIO CODEC

PC AUDIO

IDT™

10-CHANNEL HIGH DEFINITION AUDIO CODEC

STAC9271/9272/9273/9274 V 1.0 MARCH2007

IDT CONFIDENTIAL

6.2.9.

AFG GPIOCnt

[1]

D1Sup

0x1

Power State D1 is supported. Allows for lowest possible

power consuming state from which it can return to fully on

state within 10ms, excepting analog pass-through circuits

which must remain fully on.

[0]

D0Sup

0x1

Power State D0 is supported. Node power state is fully on.

Table 30. AFG GPIOCnt

Command Verb Format

Verb ID

Payload

Response

Get

F00

See bitfield table.

Table 31. AFG GPIOCnt

Command Response Format

Bit

Bitfield Name

Reset

Description

[31]

GPIWake

0x1

Wake capability. Assuming the Wake Enable

Mask controls are enabled, GPIO's configured

as inputs can cause a wake (generate a

Status Change event on the link) when there

is a change in level on the pin.

[30]

GPIUnsol

0x1

Unsolicited Response capability. Assuming

the Unsolicited Enable Mask controls are

enabled, GPIO's configured as inputs can

generate an Unsolicited Response on the link

when there is a change in level on the pin.

[29.:24]

Rsvd

0x0

Reserved

[23.:16]

NumGPIs

0x00

Number of GPI pins supported by function

[15.:8]

NumGPOs

0x00

Number of GPO pins supported by function

[7.:0]

NumGPIOs

0x03 = 48 pin

Number of GPIO pins supported by function

Table 29. AFG SupPwrState

Command Response Format

Bit

Bitfield Name

Reset

Description

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