stac9228d5tae Integrated Device Technology, stac9228d5tae Datasheet - Page 54

• Manufacturer Part Number: stac9228d5tae
• Description: 8-channel High Definition Audio Codec
• Manufacturer: Integrated Device Technology

IDT™
STAC9227/9228/9229/9230
8-CHANNEL HIGH DEFINITION AUDIO CODEC
8-CHANNEL HIGH DEFINITION AUDIO CODEC
6.2.24. AFG GPIODrive
[31:5]
Bit
Bit
[1]
[0]
[4]
[3]
Set1
Get
Bitfield Name
Bitfield Name
Rsvd
GP1
GP0
OD4
OD3
Table 60. AFG GPIODrive
Table 58. AFG GPIOPlrty
Table 59. AFG GPIODrive
IDT CONFIDENTIAL
Verb ID
FEF
7EF
RW
RW
RW
RW
RW
RW
54
R
See bits [7:0] of bitfield table.
Reset
Reset
Command Response Format
Command Response Format
0x1
0x1
0x0
0x0
0x0
Command Verb Format
Payload
GPIO1 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.
GPIO0 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.
Reserved
GPIO4 Drive Mode;
0 = push-pull (drive 0 and 1),
1 = open drain (drive 0, float for 1).
GPIO3 Drive Mode;
0 = push-pull (drive 0 and 1),
1 = open drain (drive 0, float for 1).
00
STAC9227/9228/9229/9230V 1.0 MARCH 2007
Description
Description
See bitfield table.
0000_0000h
Response
PC AUDIO