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: 154/172页
文件大小: 1129K
代理商: STAC9221X3TAEYYX
STAC9220/9221/9223
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
IDT
154
STAC9220/9221/9223
V 0.96 102706
8-CHANNEL HIGH DEFINITION AUDIO CODEC
6.26.6.
VolumeKnob Cntrl
Table 343. VolumeKnob UnsolResp Command Response Format
Bit
Bitfield Name
RW
Reset
Description
[31:8]
Rsvd2
R
0x00
Reserved
[7]
En
RW
0x0
Allow generation of Unsolicited Responses.
Unsolicited response events occur upon jack-
insertion OR completion of a Jack-Sense cycle.
[6]
Rsvd1
R
0x0
Reserved
[5:0]
Tag
RW
0x00
Software programmable field returned in top six
bits (31:26) of every Unsolicited Response
generated by this node.
Table 344. VolumeKnob Cntrl Command Verb Format
Verb ID
Payload
Response
Get
F0F
00
See bitfield table
Set1
70F
See bits [7:0] of bitfield table
0000_0000h
Table 345. VolumeKnob Cntrl Command Response Format
Bit
Bitfield Name
RW
Reset
Description
[31:8]
Rsvd
R
0x0
Reserved
[7]
Direct
RW
0x0
Direct = 1 causes the volume control to directly
control the hardware volume of the slave amps.
Direct = 0 causes unsolicited responses to be
generated.
[6:0]
Volume
RW
0x7F
Volume, specified in steps of amplifier gain
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