92HD700 Datasheet, PDF (34/181 Pages) Integrated Device Technology – 10-CHANNEL HIGH DEFINITION AUDIO CODEC

92HD700
10-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
Bit
[31]
[30:23]
[22:16]
[15]
[14:8]
[7]
[6:0]
Table 30. 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
(-96dB to +0dB)
Rsvd1
R
0x0
Reserved
Offset
R
0x7F
0dB-step is programmed with this offset
6.2.11. AFG PwrState
Get
Set1
Table 31. AFG PwrState Command Verb Format
Verb ID
Payload
F05
00
705
See bits [7:0] of bitfield table.
Response
See bitfield table.
0000_0000h
Bit
[31:8]
[7:4]
[3:2]
[1:0]
Table 32. AFG PwrState Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd2
R
0x0
Reserved
Act
R
0x2
PS-Act: Actual power state of referenced node.
Rsvd1
R
0x0
Reserved
PS-Set: Current power setting of referenced
node.
0: All Powered-On
Set
RW
0x2
1: D1 = > PR0, PR1
2: D2 = > PR0, PR1, PR2, PR6, EAPD
3: D3 = > PR6, PR5, PR3, PR2, PR1, PR0,
EAPD
Note: PR4 is not mapped in HD Audio
IDT™ 10-CHANNEL HIGH DEFINITION AUDIO CODEC
34
IDT CONFIDENTIAL
92HD700
V 1.2 112006