STAC9228 Integrated Device Technology, STAC9228 Datasheet - Page 79

• 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
8-CHANNEL HIGH DEFINITION AUDIO CODEC
6.7.5.
DAC4 PwrState
Bit
[4]
[3]
[2]
[1]
[0]
[31:8]
[7:4]
[3:2]
[1:0]
Bit
Set1
Get
Bitfield Name
OutAmpPrsnt
AmpParOvrd
FormatOvrd
InAmpPrsnt
Stereo
Bitfield Name
Rsvd2
Rsvd1
Table 128. DAC4 PwrState
Act
Set
Table 126. DAC4 WCap
Table 127. DAC4 PwrState
IDT CONFIDENTIAL
Verb ID
RW
R
R
R
R
R
F05
705
RW
RW
79
R
R
R
Reset
0x0
0x0
0x1
0x0
0x1
See bits [7:0] of bitfield table.
Command Response Format
Reset
0x0
0x3
0x0
0x3
Command Response Format
Command Verb Format
Payload
Reserved
PS-Act: Actual power state of referenced
node.
Reserved
PS-Set: Current power setting of referenced
node.
00 - Fully on.
01 - Fully on.
10 - Fully on.
11 - Powered down.
00
No format info; use default format
parameters from Audio Function node
instead
No amplifier info; use default amplifier
parameters from Audio Function node
instead
Output amp
No input amp
Stereo widget
STAC9227/9228/9229/9230V 1.0 MARCH 2007
Description
Description
See bitfield table.
0000_0000h
Response
PC AUDIO