92HD005 Datasheet, PDF (53/205 Pages) Integrated Device Technology – 4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE

92HD005/92HD005D
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
PC AUDIO
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
Bit
[31:0]
[0]
Table 67. 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
W
0x0
to acknowledge 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.
IDT™
53
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
92HD005/92HD005D
V 1.0 12/06