STAC9271 datasheet(45/223 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

6.2.16. AFG GPIOWakeEn

[3]

Control3

0x0

Direction control for GPIO3

0= GPIO signal is configured as input

1= GPIO signal is configured as output

[2]

Control2

0x0

Direction control for GPIO2

0= GPIO signal is configured as input

1= GPIO signal is configured as output

[1]

Control1

0x0

Direction control for GPIO1

0= GPIO signal is configured as input

1= GPIO signal is configured as output

[0]

Control0

0x0

Direction control for GPIO0

0= GPIO signal is configured as input

1= GPIO signal is configured as output

Table 44. AFG GPIOWakeEn

Command Verb Format

Verb ID

Payload

Response

Get

F18

See bitfield table.

Set1

718

See bits [7:0] of bitfield table.

0000_0000h

Table 45. AFG GPIOWakeEn

Command Response Format

Bit

Bitfield Name

Reset

Description

[31.:5]

Rsvd

0x0

Reserved

[4]

0x0

Wake enable for GPIO4:

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.

[3]

0x0

Wake enable for GPIO3:

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 43. AFG GPIODir

Command Response Format

Bit

Bitfield Name

Reset

Description

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