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STAC9202 Datasheet(PDF) 29 Page - Integrated Device Technology

Part No. STAC9202
Description  2-CHANNEL HIGH DEFINITION AUDIO CODEC WITH
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Maker  IDT [Integrated Device Technology]
Homepage  http://www.idt.com
Logo IDT - Integrated Device Technology

STAC9202 Datasheet(HTML) 29 Page - Integrated Device Technology

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STAC9202
2-CHANNEL HIGH DEFINITION AUDIO CODEC WITH DUAL DIGITAL MICROPHONE INTERFACES
PC AUDIO
IDT™
2-CHANNEL HIGH DEFINITION AUDIO CODEC WITH DUAL DIGITAL MICROPHONE INTERFACES
29
STAC9202
V 1.1 102606
IDT CONFIDENTIAL
5.4.10.
AFG PwrState
5.4.11.
AFG UnsolResp
[14:8]
NumSteps
R
0x1F
Number of steps in the gain range = 31
(32 values, -46.5dB to +0dB)
[7]
Rsvd1
R
0x0
Reserved
[6:0]
Offset
R
0x1F
0dB-step is programmed with this offset
Table 28. AFG PwrState Command Verb Format
Verb ID
Payload
Response
Get
F05
00
See bitfield table
Set1
705
See bits [7:0] of bitfield table
0000_0000h
Table 29. AFG PwrState Command Response Format
Bit
Bitfield Name
RW
Reset
Description
[31:8]
Rsvd2
R
0x0
Reserved
[7:4]
Act
R
0x2
PS-Act: Actual power state of referenced node.
[3:2]
Rsvd1
R
0x0
Reserved
[1:0]
Set
RW
0x2
PS-Set: Current power setting of referenced node.
0: All Powered-On
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
Table 30. AFG UnsolResp Command Verb Format
Verb ID
Payload
Response
Get
F08
00
See bitfield table
Set1
708
See bits [7:0] of bitfield table
0000_0000h
Table 27. AFG OutAmpCap Command Response Format
Bit
Bitfield Name
RW
Reset
Description


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