STAC9250 Datasheet, PDF (118/137 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
Bit
[31:8]
[7]
[6:2]
[1:0]
Table 269. PCBeep Vol Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd2
R
0x0
Reserved
Mute
RW
0x1
1 = mute is active
Rsvd1
R
0x0
Reserved
Gain
RW
0x3
Mono (left) amplifier gain step number
5.23.2. PCBeep WCap
Get
Table 270. PCBeep WCap Command Verb Format
Verb ID
Payload
F00
09
Response
See bitfield table
Bit
[31:24]
[23:20]
[19:4]
[3]
[2]
[1]
[0]
Table 271. PCBeep WCap Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd3
R
0x0
Reserved
Type
R
0x7
Widget type = Beep Generator
Rsvd2
R
0x0
Reserved
AmpParamOvrd
R
0x1
This widget contains its own amplifier
parameters.
OutAmpPrsnt
R
0x1
Output amp is present
InAmpPrsnt
R
0x0
N/A
Stereo
R
0x0
Mono widget
IDT™
118
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
STAC9250/9251
V 1.1 102706