STAC9271 datasheet(51/223 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

6.2.23. AFG GPIOPlrty

Table 58. AFG GPIOPlrty

Command Verb Format

Verb ID

Payload

Response

Get

FEE

See bitfield table.

Set1

7EE

See bits [7:0] of bitfield table.

0000_0000h

Table 59. AFG GPIOPlrty

Command Response Format

Bit

Bitfield Name

Reset

Description

[31.:5]

Rsvd

0x0

Reserved

[4]

GP4

0x1

GPIO4 Polarity;

If configured as an output:

0= inverting

1= non-inverting

If configured as a non-sticky input:

0= inverting

1= non-inverting

If configured as a sticky input:

0= falling events will be detected

1= rising events will be detected

[3]

GP3

0x1

GPIO3 Polarity;

If configured as an output:

0= inverting

1= non-inverting

If configured as a non-sticky input:

0= inverting

1= non-inverting

If configured as a sticky input:

0= falling events will be detected

1= rising events will be detected

[2]

GP2

0x1

GPIO2 Polarity

If configured as an output:

0= inverting

1= non-inverting

If configured as a non-sticky input:

0= inverting

1= non-inverting

If configured as a sticky input:

0= falling events will be detected

1= rising events will be detected

STAC9271 Datasheet(PDF) 51 Page - Integrated Device Technology

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