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STAC9204 Datasheet(PDF) 39 Page - Integrated Device Technology

Part # STAC9204
Description  4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
PDF  213 Pages
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Manufacturer  IDT [Integrated Device Technology]
Direct Link  http://www.idt.com
Logo IDT - Integrated Device Technology

STAC9204 Datasheet(HTML) 39 Page - Integrated Device Technology

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STAC9204/9205
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
PC AUDIO
IDT™
39
STAC9204/9205
V 1.0 12/06
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
3.4.2.7.
AFG PwrCap
Table 31. AFG InAmpCap Command Response Format
Bit
Bitfield Name
RW
Reset
Description
[31]
Mute
R
0x0
No mute capability
[30:23]
Rsvd3
R
0x0
Reserved
[22:16]
StepSize
R
0x5
Size of each step in the gain range = 1.5dB
[15]
Rsvd2
R
0x0
Reserved
[14:8]
NumSteps
R
0x0F
Number of steps in the gain range = 15
(0dB to 22.5 dB)
[7]
Rsvd1
R
0x0
Reserved
[6:0]
Offset
R
0x00
0dB-step is programmed with this offset
Table 32. AFG PwrCap Command Verb Format
Verb ID
Payload
Response
Get
F00
0F
See bitfield table.
Table 33. AFG PwrCap Command Response Format
Bit
Bitfield Name
RW
Reset
Description
[31:4]
Rsvd
R
0x0
Reserved
[3]
D3
R
0x1
Power State D3 is supported.
Allows for lowest possible power consuming
state under software control (and still
properly respond to a subsequent Power
State command).
[2]
D2
R
0x1
Power State D2 is supported.
Allows for lowest possible power consuming
state from which it can return to fully on
state within 10 ms.



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