STAC9227 Datasheet, PDF (37/237 Pages) Integrated Device Technology – 8-CHANNEL HIGH DEFINITION AUDIO CODEC

STAC9227/9228/9229/9230
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
Bit
[31:0]
[0]
Table 14. AFG Reset Command Response Format
Bitfield Name
RW
Reset
Description
Response
R
0x0
Reserved. Overlaps Execute.
Execute
Function Reset. Function Group reset is
executed when the Set verb 7FF is written
with 8-bit payload of 00h. The CODEC
should issue a response to acknowledge
W
0x0
receipt of the verb, and then reset the
affected Function Group and all associated
widgets to their power-on reset values.
Some controls such as Configuration
Default controls should not be reset.
Overlaps Response.
6.2.2. AFG NodeInfo
Get
Table 15. AFG NodeInfo Command Verb Format
Verb ID
Payload
F00
04
Response
See bitfield table.
Bit
[31:24]
[23:16]
[15:8]
[7:0]
Table 16. AFG NodeInfo Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd2
R
0x0
Reserved
StartNID
R
0x2
Starting node number for function group
subordinate nodes.
Rsvd1
R
0x0
Reserved
TotalNodes
R
0x23
Total number of nodes.
6.2.3. AFG Type
Get
Table 17. AFG Type Command Verb Format
Verb ID
Payload
F00
05
Response
See bitfield table.
IDT™ 8-CHANNEL HIGH DEFINITION AUDIO CODEC
37
IDT CONFIDENTIAL
STAC9227/9228/9229/9230V 1.0 MARCH 2007