STAC9227 Datasheet, PDF (62/237 Pages) Integrated Device Technology – 8-CHANNEL HIGH DEFINITION AUDIO CODEC

STAC9227/9228/9229/9230
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
Table 78. DAC1 Cnvtr Command Response Format
Bit
Bitfield Name
RW
Reset
Description
Bits per Sample
000 = 8 bits
[6:4]
BitsPerSmpl
RW
0x3
001 = 16 bits
010 = 20 bits
011 = 24 bits
100-111 = Reserved
Number of Channels Number of channels in
each frame of the stream.
[3:0]
NmbrChan
RW
0x1
0000 = 1 channel
0001 = 2 channels
...
1111 = 16 channels
6.4.2.
DAC1 OutAmpRight
Table 79. DAC1 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 80. DAC1 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
6.4.3.
DAC1 OutAmpLeft
Table 81. DAC1 OutAmpLeft Command Verb Format
Verb ID
Payload
Response
Get
BA0
00
See bitfield table.
Set1
3A0
See bits [7:0] of bitfield table.
0000_0000h
IDT™ 8-CHANNEL HIGH DEFINITION AUDIO CODEC
62
IDT CONFIDENTIAL
STAC9227/9228/9229/9230V 1.0 MARCH 2007