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STAC9227 Datasheet, PDF (50/237 Pages) Integrated Device Technology – 8-CHANNEL HIGH DEFINITION AUDIO CODEC
STAC9227/9228/9229/9230
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
Table 48. AFG GPIOSticky Command Response Format
Bit
Bitfield Name
RW
Reset
Description
GPIO1 input type (when configured as
input):
0 = Non-Sticky (level-sensitive);
[1]
Mask1
RW
0x0
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.
GPIO0 input type (when configured as
input):
0 = Non-Sticky (level-sensitive);
[0]
Mask0
RW
0x0
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.
6.2.19. AFG SubID
Get
Set1
Set2
Set3
Set4
Table 49. AFG SubID Command Verb Format
Verb ID
Payload
F20
00
720
See bits [7:0] of bitfield table.
721
See bits [7:0] of bitfield table.
722
See bits [7:0] of bitfield table.
723
See bits [7:0] of bitfield table.
Response
See bitfield table.
0000_0000h
0000_0000h
0000_0000h
0000_0000h
Bit
[31:24]
[23:16]
[15:8]
[7:0]
Table 50. AFG SubID Command Response Format
Bitfield Name
RW
Reset
Description
Subsys3
RW
0x00
Subsystem ID. (Any non-zero value)
Subsys2
RW
0x00
Subsys1
RW
0x01
Assembly
RW
0x00
Assembly ID. (Not applicable to CODEC
vendors)
IDT™ 8-CHANNEL HIGH DEFINITION AUDIO CODEC
50
IDT CONFIDENTIAL
STAC9227/9228/9229/9230V 1.0 MARCH 2007