92HD66B IDT [Integrated Device Technology], 92HD66B Datasheet - Page 253

• Manufacturer Part Number: 92HD66B
• Description: FOUR CHANNEL HD AUDIO CODECS
• Manufacturer: IDT [Integrated Device Technology]

92HD66B
FOUR CHANNEL HD AUDIO CODECS WITH DUAL CAPLESS HEADPHONE AMPLIFIERS
©2011 INTEGRATED DEVICE TECHNOLOGY, INC.
Field Name
Mute
Rsvd3
StepSize
Rsvd2
NumSteps
Rsvd1
Offset
Field Name
Rsvd2
Reg
Reg
Get
Get
Set
Set
6.31.1. DigBeep (NID = 21h): OutAmpCap
6.31.2. DigBeep (NID = 21h): OutAmpLeft
Byte 4 (Bits 31:24)
Byte 4 (Bits 31:24)
Bits
31
Mute support: 1 = yes, 0 = no.
30:23
Reserved.
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.
Byte 3 (Bits 23:16)
Byte 3 (Bits 23:16)
R/W
R
R
R
R
R
R
R
R/W
R
BA000h
F0012h
Default
1h
00h
17h
0h
03h
0h
03h
Default
000000h
253
Byte 2 (Bits 15:8)
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)
N/A (Hard-coded)
N/A (Hard-coded)
Reset
N/A (Hard-coded)
Byte 1 (Bits 7:0)
Byte 1 (Bits 7:0)
3A0h
V 1.0 2/12
92HD66B