stac9272 Integrated Device Technology, stac9272 Datasheet - Page 51

• Manufacturer Part Number: stac9272
• Description: 10-channel High Definition Audio Codec
• Manufacturer: Integrated Device Technology

IDT™
STAC9271/9272/9273/9274
10-CHANNEL HIGH DEFINITION AUDIO CODEC
10-CHANNEL HIGH DEFINITION AUDIO CODEC
6.2.23. AFG GPIOPlrty
[31.:5]
Bit
[4]
[3]
[2]
Set1
Get
Bitfield Name
Rsvd
GP4
GP3
GP2
Table 59. AFG GPIOPlrty
Table 58. AFG GPIOPlrty
IDT CONFIDENTIAL
Verb ID
RW
RW
RW
RW
FEE
7EE
R
51
Reset
0x0
0x1
0x1
0x1
See bits [7:0] of bitfield table.
Command Response Format
Reserved
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
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
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
Command Verb Format
Payload
00
STAC9271/9272/9273/9274 V 1.0 MARCH2007
Description
See bitfield table.
0000_0000h
Response
PC AUDIO