92hd88b4x5ndg Integrated Device Technology, 92hd88b4x5ndg Datasheet - Page 270

• Manufacturer Part Number: 92hd88b4x5ndg
• Description: Single Chip Pc Audio System Codec+mono Speaker Amplifier+capless Hp+ldo
• Manufacturer: Integrated Device Technology

IDT PROPRIETARY / IDT
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
92HD88
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Field Name
StepSize
Rsvd2
NumSteps
Rsvd1
Offset
Field Name
Rsvd2
Mute
Rsvd1
Gain
Reg
Get
Set
8.28.2. DigBeep (NID = 21h): OutAmpLeft
Byte 4 (Bits 31:24)
CONFIDENTIAL
Bits
22:16
Size of each step in the gain range: 0 to 127 = .25dB to 32dB, in .25dB steps.
15
Reserved.
14:8
Number of gains steps (number of possible settings - 1).
7
Reserved.
6:0
Indicates which step is 0dB
Bits
31:8
Reserved.
7
Amp mute: 1 = muted, 0 = not muted.
6:2
Reserved.
1:0
Amp gain step number (see OutAmpCap parameter pertaining to this widget).
Byte 3 (Bits 23:16)
R/W
R
R
R
R
R
R/W
R
RW
R
RW
BA000h
Default
17h
0h
03h
0h
03h
Default
000000h
0h
00h
1h
270
Byte 2 (Bits 15:8)
Reset
N/A (Hard-coded)
N/A (Hard-coded)
N/A (Hard-coded)
N/A (Hard-coded)
N/A (Hard-coded)
Reset
N/A (Hard-coded)
POR - DAFG - ULR
N/A (Hard-coded)
POR - DAFG - ULR
92HD88
Byte 1 (Bits 7:0)
3A0h
PC AUDIO
V 0.94 07/11