STAC9202 Datasheet, PDF (29/135 Pages) Integrated Device Technology – 2-CHANNEL HIGH DEFINITION AUDIO CODEC WITH

STAC9202
2-CHANNEL HIGH DEFINITION AUDIO CODEC WITH DUAL DIGITAL MICROPHONE INTERFACES
PC AUDIO
Bit
[14:8]
[7]
[6:0]
Table 27. AFG OutAmpCap Command Response Format
Bitfield Name
RW
Reset
Description
NumSteps
R
0x1F
Number of steps in the gain range = 31
(32 values, -46.5dB to +0dB)
Rsvd1
R
0x0
Reserved
Offset
R
0x1F
0dB-step is programmed with this offset
5.4.10. 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
5.4.11. 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™ 2-CHANNEL HIGH DEFINITION AUDIO CODEC WITH DUAL DIGITAL MICROPHONE INTERFACES 29
IDT CONFIDENTIAL
STAC9202
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