STAC9200 Datasheet, PDF (26/126 Pages) Integrated Device Technology – 2-CHANNEL HIGH DEFINITION AUDIO CODEC

STAC9200/9200D
2-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
5.3.3. Root NodeInfo
Get
Table 8. Root NodeInfo Command Verb Format
Verb ID
Payload
F00
04
Response
See bitfield table
Bit
[31.:24]
[23.:16]
[15.:8]
[7.:0]
Table 9. Root NodeInfo Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd2
R
0x00
Reserved
StartNID
R
0x01
Starting node number (NID) of first function
group
Rsvd1
R
0x00
Reserved
TotalNodes
R
0x01
Total number of nodes
5.4. AFG Node (NID = 0x01)
5.4.1. AFG Reset
Get
Set1
Table 10. AFG Reset Command Verb Format
Verb ID
Payload
7FF
00
7FF
See bits [7:0] of bitfield table
Response
See bitfield table
0000_0000h
Bit
[31.:0]
[0]
Table 11. 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 receipt of the verb,
W
0x0
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.
IDT™ 2-CHANNEL HIGH DEFINITION AUDIO CODEC
26
IDT CONFIDENTIAL
STAC9200/9200D
V 1.4 12/06