STAC9250 Datasheet, PDF (31/137 Pages) Integrated Device Technology – TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES

STAC9250/9251
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
PC AUDIO
Table 27. AFG OutAmpCap Command Response Format
Bit
Bitfield Name
RW
Reset
Description
[7]
Rsvd1
R
0x0
Reserved
[6:0]
Offset
R
0x1F
0dB-step is programmed with this offset
5.5.10. AFG PwrState
Get
Set1
Table 28. AFG PwrState Command Verb Format
Verb ID
Payload
F05
00
705
See bits [7:0] of bitfield table
Response
See bitfield table
0000_0000h
Bit
[31:8]
[7:4]
[3:2]
[1:0]
Table 29. AFG PwrState Command Response Format
Bitfield Name RW Reset
Description
Rsvd2
R
0x0
Reserved
Act
R
0x2
PS-Act: Actual power state of referenced node.
Rsvd1
R
0x0
Reserved
PS-Set: Current power setting of referenced node.
0: All Powered-On
Set
RW
0x2
1: D1 = > PR0, PR1
2: D2 = > PR0, PR1, PR2, PR6, EAPD
3: D3 = > PR6, PR5, PR3, PR2, PR1, PR0, EAPD
Note: PR4 is not mapped in HD Audio
5.5.11. AFG UnsolResp
Get
Set1
Table 30. AFG UnsolResp Command Verb Format
Verb ID
Payload
F08
00
708
See bits [7:0] of bitfield table
Response
See bitfield table
0000_0000h
IDT™
31
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
STAC9250/9251
V 1.1 102706