92HD71B7 Datasheet, PDF (141/216 Pages) Integrated Device Technology – 4-CHANNEL HD AUDIO CODEC OPTIMIZED FOR LOW POWER

92HD71B7
4-CHANNEL HD AUDIO CODEC OPTIMIZED FOR LOW POWER
PC AUDIO
8.18.3.1. DMic1 PinWCntrl
Bit
Bitfield Name
[31.:6]
Rsvd2
[5]
InEn
[4.:0]
Rsvd1
RW
R
RW
R
Reset
0000000
0
00
Description
Reserved.
Input enable: 1 = enabled 0 = disabled.
Reserved.
8.18.4. DMic1 OutAmpCap
Get
Verb ID
F00
Payload
12
Response
See bitfield table.
8.18.4.1. DMic1 OutAmpCap
Bit
Bitfield Name
RW
Reset
[31]
Mute
R
0
[30.:23] Rsvd3
R
00
[22.:16] StepSize
R
27
[15]
[14.:8]
Rsvd2
NumSteps
R
0
R
03
[7]
[6.:0]
Rsvd1
Offset
R
0
R
00
Description
Mute support: 1 = yes 0 = no.
Reserved.
Size of each step in the gain range: 0 to
127 = .25dB to 32dB in .25dB steps.
Reserved.
Number of gains steps (number of pos-
sible settings - 1).
Reserved.
Indicates which step is 0dB
IDT™ CONFIDENTIAL AND PROPRIETARY
141
4-CHANNEL HD AUDIO CODEC OPTIMIZED FOR LOW POWER
92HD71B7
V 0.9 07/07