STAC9227 Datasheet, PDF (41/237 Pages) Integrated Device Technology – 8-CHANNEL HIGH DEFINITION AUDIO CODEC

STAC9227/9228/9229/9230
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
6.2.8.
AFG SupPwrState
Table 27. AFG SupPwrState Command Verb Format
Verb ID
Payload
Response
Get
F00
0F
See bitfield table.
Bit
[31:4]
[3]
[2]
[1]
[0]
Table 28. AFG SupPwrState Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd
R
0x0
Reserved
D3Sup
Power State D3 is supported. Allows for
lowest possible power consuming state
R
0x1
under software control (and still properly
respond to a subsequent Power State
command).
D2Sup
Power State D2 is supported. Allows for
R
0x1
lowest possible power consuming state from
which it can return to fully on state within
10ms.
D1Sup
Power State D1 is supported. Allows for
lowest possible power consuming state from
R
0x1
which it can return to fully on state within
10ms, excepting analog pass-through
circuits which must remain fully on.
D0Sup
R
0x1
Power State D0 is supported. Node power
state is fully on.
6.2.9. AFG GPIOCnt
Get
Table 29. AFG GPIOCnt Command Verb Format
Verb ID
Payload
F00
11
Response
See bitfield table.
IDT™ 8-CHANNEL HIGH DEFINITION AUDIO CODEC
41
IDT CONFIDENTIAL
STAC9227/9228/9229/9230V 1.0 MARCH 2007