92HD66B Datasheet, PDF (221/286 Pages) Integrated Device Technology – FOUR CHANNEL HD AUDIO CODECS

92HD66B
FOUR CHANNEL HD AUDIO CODECS WITH DUAL CAPLESS HEADPHONE AMPLIFIERS
Field Name
NumSteps
Rsvd1
Offset
Bits
R/W
Default
Reset
14:8
R
00h
N/A (Hard-coded)
Number of gains steps (number of possible settings - 1).
7
R
0h
N/A (Hard-coded)
Reserved.
6:0
R
00h
N/A (Hard-coded)
Indicates which step is 0dB
6.27.4. SPDIFOut0 (NID = 1Dh): Cnvtr
Reg Byte 4 (Bits 31:24) Byte 3 (Bits 23:16) Byte 2 (Bits 15:8)
Byte 1 (Bits 7:0)
Set
2h
Get
A0000h
Field Name
Rsvd2
FrmtNonPCM
FrmtSmplRate
SmplRateMultp
Bits
R/W
Default
Reset
31:16
R
0000h
N/A (Hard-coded)
Reserved.
15
RW
0h
POR - DAFG - ULR
Stream type: 1 = Non-PCM, 0 = PCM.
14
RW
0h
POR - DAFG - ULR
Sample base rate: 1 = 44.1kHz, 0 = 48kHz.
13:11
RW
0h
POR - DAFG - ULR
Sample base rate multiple:
000b= x1 (48kHz/44.1kHz or less)
001b= x2 (96kHz/88.2kHz/32kHz)
010b= x3 (144kHz)
011b= x4 (192kHz/176.4kHz)
100b-111b Reserved
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92HD66B