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STAC9271 Datasheet(PDF) 190 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) 190 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
190
STAC9271/9272/9273/9274 V 1.0 MARCH2007
IDT CONFIDENTIAL
6.31.2. VolumeKnob VolKnobCap
6.31.3. VolumeKnob ConLst
Table 467. VolumeKnob WCap
Command Response Format
Bit
Bitfield Name
RW
Reset
Description
[31.:24]
Rsvd2
R
0x0
Reserved
[23.:20]
Type
R
0x6= Enabled
0xF=Disabled
Widget type = Volume Knob Widget
[19.:0]
Rsvd1
R
0x0
Reserved. Software assumes capability of unsolicited
responses and a connection list for this widget type.
Table 468. VolumeKnob VolKnobCap
Command Verb Format
Verb ID
Payload
Response
Get
F00
13
See bitfield table.
Table 469. VolumeKnob VolKnobCap
Command Response Format
Bit
Bitfield Name
RW
Reset
Description
[31.:8]
Rsvd
R
0x0
Reserved
[7]
Delta
R
0x1
Indicates if software can write a base
volume to the Volume Control Knob.
[6.:0]
NumSteps
R
0x7F
Total number of steps in the range of the
volume knob = 128
Table 470. VolumeKnob ConLst
Command Verb Format
Verb ID
Payload
Response
Get
F00
0E
See bitfield table.
Table 471. VolumeKnob ConLst
Command Response Format
Bit
Bitfield Name
RW
Reset
Description
[31.:8]
Rsvd
R
0x0
Reserved.



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