STAC9250 Datasheet, PDF (74/137 Pages) Integrated Device Technology – TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES

STAC9250/9251
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
PC AUDIO
5.13.2. ADC0VolMux VolLeft
Table 140. ADC0VolMux VolLeft Command Verb Format
Verb ID
Payload
Response
Get
BA0
00
See bitfield table
Set1
3A0
See bits [7:0] of bitfield table
0000_0000h
Bit
[31:4]
[3:0]
Table 141. ADC0VolMux VolLeft Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd1
R
0x0
Reserved
Gain
RW
0x0
Amplifier gain step number
5.13.3. ADC0VolMux WCap
Table 142. ADC0VolMux WCap Command Verb Format
Verb ID
Payload
Response
Get
F00
09
See bitfield table
Bit
[31:24]
[23:20]
[19:16]
[15:12]
[11]
[10]
[9]
[8]
Table 143. ADC0VolMux WCap Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd2
R
0x0
Reserved
Type
R
0x3
Widget type = Audio Selector
Delay
R
0x0
Number of sample delays through widget
Rsvd1
R
0x0
Reserved
SwapCap
R
0x0
No left/right swap capability
PwrCntrl
R
0x0
No support for Power State control
DigitalStrm
R
0x0
Widget supports an Analog stream
ConnList
R
0x1
Connection list is present
IDT™
74
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
STAC9250/9251
V 1.1 102706