stac9220d5taea6xr Integrated Device Technology, stac9220d5taea6xr Datasheet - Page 145

• Manufacturer Part Number: stac9220d5taea6xr
• Description: Eight Channel High Definition Audio Codecs
• Manufacturer: Integrated Device Technology

IDT™
8-CHANNEL HIGH DEFINITION AUDIO CODEC
STAC9220
8-CHANNEL HIGH DEFINITION AUDIO CODEC
6.25.6. VolumeKnob Cntrl
[31:8]
[31:8]
[6:0]
[5:0]
Bit
Bit
[7]
[7]
[6]
Set1
Get
Bitfield Name
Bitfield Name
Table 327. VolumeKnob UnsolResp Command Response Format
Volume
Rsvd2
Rsvd1
Direct
Rsvd
Tag
Table 329. VolumeKnob Cntrl Command Response Format
En
Table 328. VolumeKnob Cntrl Command Verb Format
Verb ID
F0F
70F
RW
RW
RW
RW
RW
RW
R
R
R
145
See bits [7:0] of bitfield table
Reset
Reset
0x7F
0x00
0x00
0x0
0x0
0x0
0x0
Payload
00
Reserved
Direct = 1 causes the volume control to directly
control the hardware volume of the slave amps.
Direct = 0 causes unsolicited responses to be
generated.
Volume, specified in steps of amplifier gain
Reserved
Allow generation of Unsolicited Responses.
Unsolicited response events occur upon
jack-insertion OR completion of a Jack-Sense
cycle.
Reserved
Software programmable field returned in top six
bits (31:26) of every Unsolicited Response
generated by this node.
STAC9220
Description
Description
See bitfield table
0000_0000h
Response
PC AUDIO
V1.0 01/08