92HD87 Datasheet, PDF (136/204 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD87
SINGLE CHIP PC AUDIO SYSTEM, CODEC+STEREO SPEAKER AMPLIFIER+CAPLESS HP+LDO
Field Name
FrmtSmplRate
SmplRateMultp
SmplRateDiv
Rsvd1
BitsPerSmpl
NmbrChan
Bits
R/W
Default
Reset
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
3:0
RW
1h
POR - DAFG - ULR
Total number of channels in the stream assigned to this converter:
0000b-1111b= 1-16 channels.
8.13.2. DAC0 (NID = 13h): ProcState (RA revision only)
Reg Byte 4 (Bits 31:24) Byte 3 (Bits 23:16) Byte 2 (Bits 15:8)
Set
Get
F0300h
Byte 1 (Bits 7:0)
703h
IDT CONFIDENTIAL
136
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
V 0.995 01/11
92HD87