STAC9271 Datasheet, PDF (180/223 Pages) Integrated Device Technology – 10-CHANNEL HIGH DEFINITION AUDIO CODEC

STAC9271/9272/9273/9274
10-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
6.28.2. PCBEEP WCap
Get
Table 442. PCBEEP WCap Command Verb Format
Verb ID
Payload
Response
F00
09
See bitfield table.
Bit
[31.:24]
[23.:20]
[19.:4]
[3]
[2]
[1]
[0]
Table 443. 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 amp is present
InAmpPrsnt
R
0x0
N/A
Stereo
R
0x0
Mono widget
6.28.3. PCBEEP OutAmpCap
Table 444. PCBEEP OutAmpCap Command Verb Format
Verb ID
Payload
Response
Get
F00
12
See bitfield table.
Bit
[31]
[30.:23]
[22.:16]
[15]
[14.:8]
Table 445. PCBEEP OutAmpCap 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)
IDT™ 10-CHANNEL HIGH DEFINITION AUDIO CODEC
180
IDT CONFIDENTIAL
STAC9271/9272/9273/9274 V 1.0 MARCH2007