STAC9228 Integrated Device Technology, STAC9228 Datasheet - Page 201

• Manufacturer Part Number: STAC9228
• Description: Theater Quality Eight Channel High Definition Audio Codec With Digital Microphone Interface
• Manufacturer: Integrated Device Technology

IDT™
STAC9227/9228/9229/9230
8-CHANNEL HIGH DEFINITION AUDIO CODEC
6.32. InPort0Vol Node (NID = 0x18)
8-CHANNEL HIGH DEFINITION AUDIO CODEC
6.31.8. VolumeKnob VCSR0
6.32.1. InPort0Vol WCap
[31:24]
[23:20]
[19:16]
[15:12]
[31:4]
[2:0]
[11]
[10]
Bit
Bit
[3]
Set1
Get
Get
Bitfield Name
Bitfield Name
Continuous
Table 480. VolumeKnob VCSR0
SwapCap
PwrCntrl
Table 482. InPort0Vol WCap
Rsvd2
Rsvd1
Delay
Rsvd
Rate
Type
Table 479. VolumeKnob VCSR0
Table 481. InPort0Vol WCap
IDT CONFIDENTIAL
Verb ID
FE0
7E0
Verb ID
F00
RW
RW
RW
RW
201
R
R
R
R
R
R
R
See bits [7:0] of bitfield table.
Reset
Reset
0x0
0x1
0x0
0x0
0x3
0x0
0x0
0x0
0x0
Command Response Format
Command Response Format
Command Verb Format
Command Verb Format
Payload
Reserved
Allow continuous incrementing/
decrementing of the volume knob value.
Volume knob update rate, for continuous
mode and de-bouncing (2.5 Hz to 20 Hz, in
increments of 2.5 Hz)
Reserved
Widget type = Audio Selector
Number of sample delays through widget
Reserved
No left/right channel swap capability
No support for Power State control
Payload
00
09
STAC9227/9228/9229/9230V 1.0 MARCH 2007
Description
Description
See bitfield table.
See bitfield table.
0000_0000h
Response
Response
PC AUDIO