92HD66B Datasheet, PDF (258/286 Pages) Integrated Device Technology – FOUR CHANNEL HD AUDIO CODECS

92HD66B
FOUR CHANNEL HD AUDIO CODECS WITH DUAL CAPLESS HEADPHONE AMPLIFIERS
6.32. SPDIFIn (NID = 22h): 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
SmplRateDiv
Rsvd1
BitsPerSmpl
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
10:8
RW
0h
POR - DAFG - ULR
Sample base rate divider:
000b= Divide by 1 (48kHz/44.1kHz)
001b= Divide by 2 (24kHz/20.05kHz)
010b= Divide by 3 (16kHz/32kHz)
011b= Divide by 4 (11.025kHz)
100b= Divide by 5 (9.6kHz)
101b= Divide by 6 (8kHz)
110b= Divide by 7
111b= Divide by 8 (6kHz)
7
R
0h
N/A (Hard-coded)
Reserved.
6:4
RW
3h
POR - DAFG - ULR
Bits per sample:
000b= 8 bits
001b= 16 bits
010b= 20 bits
011b= 24 bits
100b= 32 bits
101b-111b= Reserved
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92HD66B