STAC9250 Datasheet, PDF (119/137 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
5.23.3. PCBeep OutAmpCap
Table 272. PCBeep 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 273. PCBeep OutAmpCap Command Response Format
Bitfield Name
RW
Reset
Description
Mute
R
0x1
Amplifier is capable of muting
Rsvd3
R
0x0
Reserved
StepSize
R
0x17
Size of each step in the gain range = 6 dB
Rsvd2
R
0x0
Reserved
NumSteps
R
0x03
Number of steps in the gain range = 3
(4 values, -18dB to 0dB)
Rsvd1
R
0x0
Reserved
Offset
R
0x03
0dB-step is programmed with this offset
5.23.4. PCBeep Gen
Get
Set1
Table 274. PCBeep Gen Command Verb Format
Verb ID
Payload
F0A
00
70A
See bits [7:0] of bitfield table
Response
See bitfield table
0000_0000h
IDT™
119
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
STAC9250/9251
V 1.1 102706