STAC9271 datasheet(47/223 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

6.2.18. AFG GPIOSticky

[2]

EnMask2

0x0

Unsolicited enable mask for GPIO2. 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.

[1]

EnMask1

0x0

Unsolicited enable mask for GPIO1. 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.

[0]

EnMask0

0x0

Unsolicited enable mask for GPIO0. 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 48. AFG GPIOSticky

Command Verb Format

Verb ID

Payload

Response

Get

F1A

See bitfield table.

Set1

71A

See bits [7:0] of bitfield table.

0000_0000h

Table 49. AFG GPIOSticky

Command Response Format

Bit

Bitfield Name

Reset

Description

[31.:5]

Rsvd

0x0

Reserved

[4]

Mask4

0x0

GPIO4 input type (when configured as

input):

0= Non-Sticky (level-sensitive);

1= Sticky (edge-sensitive). Sticky inputs are

cleared by writing zero to corresponding bit

of GPIO Data register. GPIOPolarity

determines rising or falling edge sensitivity.

Table 47. AFG GPIOUnsol

Command Response Format

Bit

Bitfield Name

Reset

Description

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