
IDT CONFIDENTIAL
221
V 0.93 06/11
2009 INTEGRATED DEVICE TECHNOLOGY, INC.
92HD92
92HD92
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
7.18.4. ADC0Mux (NID = 17h): OutAmpCap
Reg
Byte 4 (Bits 31:24)
Byte 3 (Bits 23:16)
Byte 2 (Bits 15:8)
Byte 1 (Bits 7:0)
Set
Get
F0012h
Field Name
Bits
R/W
Default
Reset
Mute
31
R
1h
N/A (Hard-coded)
Mute support: 1 = yes, 0 = no.
Rsvd3
30:23
R
00h
N/A (Hard-coded)
Reserved.
StepSize
22:16
R
03h
N/A (Hard-coded)
Size of each step in the gain range: 0 to 127 = .25dB to 32dB, in .25dB steps.
Rsvd2
15
R
0h
N/A (Hard-coded)
Reserved.
NumSteps
14:8
R
2Eh
N/A (Hard-coded)
Number of gains steps (number of possible settings - 1).
Rsvd1
7
R
0h
N/A (Hard-coded)
Reserved.
Offset
6:0
R
10h
N/A (Hard-coded)
Indicates which step is 0dB
7.18.5. ADC0Mux (NID = 17h): OutAmpLeft
Reg
Byte 4 (Bits 31:24)
Byte 3 (Bits 23:16)
Byte 2 (Bits 15:8)
Byte 1 (Bits 7:0)
Set
3A0h
Get
BA000h
Field Name
Bits
R/W
Default
Reset
Rsvd2
31:8
R
000000h
N/A (Hard-coded)
Reserved.