参数资料
型号: STAC9221X3TAEYYX
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 编解码器
英文描述: 8-CHANNEL HIGH DEFINITION AUDIO CODEC
中文描述: PCM CODEC, PQFP48
封装: LEAD FREE, LQFP-48
文件页数: 147/172页
文件大小: 1129K
代理商: STAC9221X3TAEYYX
STAC9220/9221/9223
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
IDT
147
STAC9220/9221/9223
V 0.96 102706
8-CHANNEL HIGH DEFINITION AUDIO CODEC
6.24.3.
PCBEEP AmpCap
Table 321. PCBEEP WCap Command Response Format
Bit
Bitfield Name
RW
Reset
Description
[31:24]
Rsvd2
R
0x0
Reserved
[23:20]
Type
R
0x7
Widget type = Beep Generator
[19:4]
Rsvd1
R
0x0
Reserved
[3]
AmpParOvrd
R
0x1
This widget contains its own amplifier
parameters.
[2]
OutAmpPrsnt
R
0x1
Output amplifier is present
[1]
InAmpPrsnt
R
0x0
N/A
[0]
Stereo
R
0x0
Mono widget
Table 322. PCBEEP AmpCap Command Verb Format
Verb ID
Payload
Response
Get
F00
12
See bitfield table
Table 323. PCBEEP AmpCap Command Response Format
Bit
Bitfield Name
RW
Reset
Description
[31]
Mute
R
0x0
Amplifier is capable of muting
[30:23]
Rsvd3
R
0x0
Reserved
[22:16]
StepSize
R
0x17
Size of each step in the gain range = 6 dB
[15]
Rsvd2
R
0x0
Reserved
[14:8]
NumSteps
R
0x03
Number of steps in the gain range = 4 (-18dB to
0dB)
[7]
Rsvd1
R
0x0
Reserved
[6:0]
Offset
R
0x03
0dB-step is programmed with this offset
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