92HD005 Datasheet, PDF (38/205 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]
[30:23]
[22:16]
[15]
[14:8]
[7]
[6:0]
Table 31. AFG InAmpCap Command Response Format
Bitfield Name
RW
Reset
Description
Mute
R
0x0
No mute capability
Rsvd3
R
0x0
Reserved
StepSize
R
0x5
Size of each step in the gain range = 1.5dB
Rsvd2
R
0x0
Reserved
NumSteps
R
0x0F
Number of steps in the gain range = 15
(0dB to 22.5 dB)
Rsvd1
R
0x0
Reserved
Offset
R
0x00
0dB-step is programmed with this offset
3.4.2.7.
AFG PwrCap
Table 32. AFG PwrCap Command Verb Format
Verb ID
Payload
Get
F00
0F
Response
See bitfield table.
Bit
[31:4]
[3]
[2]
Table 33. AFG PwrCap Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd
R
0x0
Reserved
Power State D3 is supported.
Allows for lowest possible power consuming
D3
R
0x1
state under software control (and still
properly respond to a subsequent Power
State command).
Power State D2 is supported.
D2
R
0x1
Allows for lowest possible power consuming
state from which it can return to fully on
state within 10 ms.
IDT™
38
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
92HD005/92HD005D
V 1.0 12/06