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STAC9271 Datasheet(PDF) 41 Page - Integrated Device Technology

Part # STAC9271
Description  10-CHANNEL HIGH DEFINITION AUDIO CODEC
PDF  223 Pages
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Manufacturer  IDT [Integrated Device Technology]
Direct Link  http://www.idt.com
Logo IDT - Integrated Device Technology

STAC9271 Datasheet(HTML) 41 Page - Integrated Device Technology

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STAC9271/9272/9273/9274
10-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
IDT™
10-CHANNEL HIGH DEFINITION AUDIO CODEC
41
STAC9271/9272/9273/9274 V 1.0 MARCH2007
IDT CONFIDENTIAL
6.2.10. AFG OutAmpCap
6.2.11. AFG PwrState
Table 32. AFG OutAmpCap
Command Verb Format
Verb ID
Payload
Response
Get
F00
12
See bitfield table.
Table 33. AFG OutAmpCap
Command Response Format
Bit
Bitfield Name
RW
Reset
Description
[31]
Mute
R
0x1
Amplifier is capable of muting
[30.:23]
Rsvd3
R
0x0
Reserved
[22.:16]
StepSize
R
0x02
Size of each step in the gain range = 0.75dB
[15]
Rsvd2
R
0x0
Reserved
[14.:8]
NumSteps
R
0x7F
Number of steps in the gain range = 128
(-96dB to +0dB)
[7]
Rsvd1
R
0x0
Reserved
[6.:0]
Offset
R
0x7F
0dB-step is programmed with this offset
Table 34. 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 35. 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.



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