STAC9220 Datasheet, PDF (147/172 Pages) Integrated Device Technology – 8-CHANNEL HIGH DEFINITION AUDIO CODEC

STAC9220/9221/9223
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
Bit
[31:24]
[23:20]
[19:4]
[3]
[2]
[1]
[0]
Table 321. PCBEEP WCap Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd2
R
0x0
Reserved
Type
R
0x7
Widget type = Beep Generator
Rsvd1
R
0x0
Reserved
AmpParOvrd
R
0x1
This widget contains its own amplifier
parameters.
OutAmpPrsnt
R
0x1
Output amplifier is present
InAmpPrsnt
R
0x0
N/A
Stereo
R
0x0
Mono widget
6.24.3. PCBEEP AmpCap
Table 322. PCBEEP AmpCap Command Verb Format
Verb ID
Payload
Get
F00
12
Response
See bitfield table
Bit
[31]
[30:23]
[22:16]
[15]
[14:8]
[7]
[6:0]
Table 323. PCBEEP AmpCap Command Response Format
Bitfield Name
RW
Reset
Description
Mute
R
0x0
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 = 4 (-18dB to
0dB)
Rsvd1
R
0x0
Reserved
Offset
R
0x03
0dB-step is programmed with this offset
IDT™
8-CHANNEL HIGH DEFINITION AUDIO CODEC
147
STAC9220/9221/9223
V 0.96 102706