STAC9204 Datasheet, PDF (54/213 Pages) Integrated Device Technology – 4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE

STAC9204/9205
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
PC AUDIO
3.4.2.23. AFG DMicCtrl
Table 64. AFG DMicCtrl Command Verb Format
Verb ID
Payload
Get
FF0
00
Set1
7F0
See bits [7:0] of bitfield table.
Response
See bitfield table.
0000_0000h
Bit
[31:4]
[3:2]
[1:0]
Table 65. AFG DMicCtrl Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd
R
0x0
Reserved
Phase
Selects what phase of the DigMic clock the
data should be latched:
RW
0x0
0 = rising edge
1 = center of high
2 = falling edge
3 = center of low.
Rate
Selects the DigMic rate:
0 = 4.704 MHz
RW
0x2
1 = 3.528 MHz
2 = 2.352 MHz
3 = 1.176 MHz.
3.4.2.24. AFG Reset
Get
Set1
Table 66. AFG Reset Command Verb Format
Verb ID
Payload
7FF
00
7FF
See bits [7:0] of bitfield table.
Response
See bitfield table.
0000_0000h
IDT™
54
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
STAC9204/9205
V 1.0 12/06