STAC9271 datasheet(46/223 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

6.2.17. AFG GPIOUnsol

[2]

0x0

Wake enable for GPIO2:

0 = wake-up event is disabled;

1= when Azalia link is powered down (RST#

is asserted), a wake-up event will trigger a

Status Change Request event on the link.

[1]

0x0

Wake enable for GPIO1:

0 = wake-up event is disabled;

1= when Azalia link is powered down (RST#

is asserted), a wake-up event will trigger a

Status Change Request event on the link.

[0]

0x0

Wake enable for GPIO0:

0 = wake-up event is disabled;

1= when Azalia link is powered down (RST#

is asserted), a wake-up event will trigger a

Status Change Request event on the link.

Table 46. AFG GPIOUnsol

Command Verb Format

Verb ID

Payload

Response

Get

F19

See bitfield table.

Set1

719

See bits [7:0] of bitfield table.

0000_0000h

Table 47. AFG GPIOUnsol

Command Response Format

Bit

Bitfield Name

Reset

Description

[31.:5]

Rsvd

0x0

Reserved

[4]

EnMask4

0x0

Unsolicited enable mask for GPIO4. If set,

and the Unsolicited Response control for

this widget has been enabled, an unsolicited

response will be sent when GPIO0 is

configured as input and changes state.

[3]

EnMask3

0x0

Unsolicited enable mask for GPIO3. If set,

and the Unsolicited Response control for

this widget has been enabled, an unsolicited

response will be sent when GPIO0 is

configured as input and changes state.

Table 45. AFG GPIOWakeEn

Command Response Format

Bit

Bitfield Name

Reset

Description

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