STAC9220 Datasheet, PDF (62/172 Pages) Integrated Device Technology – 8-CHANNEL HIGH DEFINITION AUDIO CODEC

STAC9220/9221/9223
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
Bit
[10:8]
[7]
[6:4]
[3:0]
Table 81. DAC2 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
BitsPerSmpl
Bits per Sample
000 = 8 bits
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
6.8.2.
DAC2 AmpRight
Table 82. DAC2 AmpRight Command Verb Format
Verb ID
Payload
Get
B80
00
Set1
390
See bits [7:0] of bitfield table
Response
See bitfield table
0000_0000h
Bit
[31:8]
[7]
[6:0]
Table 83. DAC2 AmpRight 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™
8-CHANNEL HIGH DEFINITION AUDIO CODEC
62
STAC9220/9221/9223
V 0.96 102706