STAC9202 Datasheet, PDF (73/135 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
Table 143. ADC0VolMux WCap Command Response Format
Bit
Bitfield Name
RW
Reset
Description
[7]
UnsolCap
R
0x0
No support for Unsolicited Response
[6]
ProcWidget
R
0x0
No Processing Controls parameter.
[5]
Stripe
R
0x0
No support for striping
[4]
FormatOvrd
R
0x0
No format info; use default format parameters
from Audio Function node instead
[3]
AmpParamOvrd
R
0x1
This widget contains its own amplifier
parameters.
[2]
OutAmpPrsnt
R
0x1
Output amp is present
[1]
InAmpPrsnt
R
0x0
No input amp
[0]
Stereo
R
0x1
Stereo widget
5.12.4. ADC0VolMux OutAmpCap
Table 144. ADC0VolMux OutAmpCap Command Verb Format
Verb ID
Payload
Response
Get
F00
12
See bitfield table
Bit
[31]
[30:23]
[22:16]
[15]
[14:8]
[7]
[6:0]
Table 145. ADC0VolMux OutAmpCap Command Response Format
Bitfield Name
RW
Reset
Description
Mute
R
0x0
Amplifier is not capable of muting
Rsvd3
R
0x0
Reserved
StepSize
R
0x05
Size of each step in the gain range = 1.5dB
Rsvd2
R
0x0
Reserved
NumSteps
R
0x0F
Number of steps in the gain range = 15
(16 values, 0dB to +22.5dB)
Rsvd1
R
0x0
Reserved
Offset
R
0x00
0dB-step is programmed with this offset
IDT™ 2-CHANNEL HIGH DEFINITION AUDIO CODEC WITH DUAL DIGITAL MICROPHONE INTERFACES 73
IDT CONFIDENTIAL
STAC9202
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