STAC9271 Datasheet, PDF (69/223 Pages) Integrated Device Technology – 10-CHANNEL HIGH DEFINITION AUDIO CODEC

STAC9271/9272/9273/9274
10-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
Bit
[10.:8]
[7]
[6.:4]
[3.:0]
Table 107. DAC3 Cnvtr Command Response Format
Bitfield Name
RW
Reset
Description
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
6.6.2.
DAC3 OutAmpRight
Table 108. DAC3 OutAmpRight Command Verb Format
Verb ID
Payload
Response
Get
B80
00
See bitfield table.
Set1
390
See bits [7:0] of bitfield table.
0000_0000h
Bit
[31.:8]
[7]
[6.:0]
Table 109. DAC3 OutAmpRight Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd
R
0x0
Reserved
Mute
RW
0x1
1= mute is active
Gain
RW
0x7F
Amplifier gain step number
IDT™ 10-CHANNEL HIGH DEFINITION AUDIO CODEC
69
IDT CONFIDENTIAL
STAC9271/9272/9273/9274 V 1.0 MARCH2007