STAC9271 Datasheet, PDF (59/223 Pages) Integrated Device Technology – 10-CHANNEL HIGH DEFINITION AUDIO CODEC

STAC9271/9272/9273/9274
10-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
Bit
[31.:16]
[15]
[14]
[13.:11]
[10.:8]
[7]
[6.:4]
[3.:0]
Table 79. DAC1 Cnvtr Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd2
R
0x0
Reserved
StrmType
R
0x0
Stream Type: only PCM streams are
supported by this widget.
FrmtSmplRate
RW
Sample Base Rate
0x0
0= 48 KHz
1= 44.1 KHz
SmplRateMultp
RW
Sample Base Rate Multiple
000= 48 KHz/44.1 KHz or less
0x0
001= x2
010= Reserved (x3)
011= x4
100-111= Reserved
Sample Base Rate Divisor
000= Divide by 1
001= Divide by 2
010= Divide by 3
SmplRateDiv
RW
0x0
011= Divide by 4
100= Divide by 5
101= Divide by 6
110= Divide by 7
111= Divide by 8
Rsvd1
R
0x0
Reserved
Bits per Sample
000= 8 bits
BitsPerSmpl
RW
0x3
001= 16 bits
010= 20 bits
011= 24 bits
100-111= Reserved
NmbrChan
Number of Channels Number of channels in
each frame of the stream.
RW
0x1
0000= 1 channel
0001 = 2 channels
...
1111= 16 channels
IDT™ 10-CHANNEL HIGH DEFINITION AUDIO CODEC
59
IDT CONFIDENTIAL
STAC9271/9272/9273/9274 V 1.0 MARCH2007