
STAC9227/9228/9229/9230
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
IDT
8-CHANNEL HIGH DEFINITION AUDIO CODEC
97
STAC9227/9228/9229/9230V 1.0 MARCH 2007
IDT CONFIDENTIAL
6.11.2.
SPDIFOut WCap
[6:4]
BitsPerSmpl
RW
0x3
Bits per Sample
000 = 8 bits
001 = 16 bits
010 = 20 bits
011 = 24 bits
100-111 = Reserved
[3:0]
NmbrChan
RW
0x1
Number of Channels Number of channels in
each frame of the stream.
0000 = 1 channel
0001 = 2 channels
...
1111 = 16 channels
Table 177. SPDIFOut WCap
Command Verb Format
Verb ID
Payload
Response
Get
F00
09
See bitfield table.
Table 178. SPDIFOut WCap
Command Response Format
Bit
Bitfield Name
RW
Reset
Description
[31:24]
Rsvd2
R
0x0
Reserved
[23:20]
Type
R
0x0
Widget type = Audio Output
[19:16]
Delay
R
0x4
Number of sample delays through widget
[15:12]
Rsvd1
R
0x0
Reserved
[11]
SwapCap
R
0x0
No left/right channel swap capability
[10]
PwrCntrl
R
0x0
No support for Power State control
[9]
Dig
R
0x1
Widget supports a Digital stream
[8]
ConnList
R
0x0
No connection list is present
[7]
UnSolCap
R
0x0
No support for Unsolicited Response
[6]
ProcWidget
R
0x0
No Processing Controls parameter
Table 176. SPDIFOut Cnvtr
Command Response Format
Bit
Bitfield Name
RW
Reset
Description