92HD005 Datasheet, PDF (40/205 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
3.4.2.9.
AFG OutAmpCap
Table 36. AFG OutAmpCap Command Verb Format
Verb ID
Payload
Response
Get
F00
12
See bitfield table.
Bit
[31]
[30:23]
[22:16]
[15]
[14:8]
[7]
[6:0]
Table 37. AFG OutAmpCap Command Response Format
Bitfield Name
RW
Reset
Description
Mute
R
0x1
Amplifier is capable of muting
Rsvd3
R
0x0
Reserved
StepSize
R
0x02
Size of each step in the gain range = 0.75dB
Rsvd2
R
0x0
Reserved
NumSteps
R
0x7F
Number of steps in the gain range = 128
(-95.25dB to +0dB)
Rsvd1
R
0x0
Reserved
Offset
R
0x7F
0dB-step is programmed with this offset
3.4.2.10. AFG PwrState
Table 38. AFG PwrState Command Verb Format
Verb ID
Payload
Get
F05
00
Set1
705
See bits [7:0] of bitfield table.
Response
See bitfield table.
0000_0000h
Bit
[31:8]
[7:4]
Table 39. AFG PwrState Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd2
R
0x0
Reserved
Act
R
0x3
PS-Act: Actual power state of referenced
node.
IDT™
40
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
92HD005/92HD005D
V 1.0 12/06