stac9272 Integrated Device Technology, stac9272 Datasheet - Page 69

• Manufacturer Part Number: stac9272
• Description: 10-channel High Definition Audio Codec
• Manufacturer: Integrated Device Technology

IDT™
STAC9271/9272/9273/9274
10-CHANNEL HIGH DEFINITION AUDIO CODEC
10-CHANNEL HIGH DEFINITION AUDIO CODEC
6.6.2.
DAC3 OutAmpRight
[10.:8]
[31.:8]
[6.:4]
[3.:0]
[6.:0]
Bit
Bit
[7]
[7]
Set1
Get
Bitfield Name
Bitfield Name
SmplRateDiv
BitsPerSmpl
NmbrChan
Table 109. DAC3 OutAmpRight
Rsvd1
Rsvd
Mute
Gain
Table 108. DAC3 OutAmpRight
Table 107. DAC3 Cnvtr
IDT CONFIDENTIAL
Verb ID
B80
390
RW
RW
RW
RW
RW
RW
RW
69
R
R
Command Response Format
See bits [7:0] of bitfield table.
Reset
Reset
0x7F
0x0
0x0
0x3
0x1
0x0
0x1
Command Response Format
Command Verb Format
Payload
Sample Base Rate Divisor
000= Divide by 1
001= Divide by 2
010= Divide by 3
011= Divide by 4
100= Divide by 5
101= Divide by 6
110= Divide by 7
111= Divide by 8
Reserved
Bits per Sample
000= 8 bits
001= 16 bits
010= 20 bits
011= 24 bits
100-111= Reserved
Number of Channels Number of channels in
each frame of the stream.
0000= 1 channel
0001 = 2 channels
...
1111= 16 channels
Reserved
1= mute is active
Amplifier gain step number
00
STAC9271/9272/9273/9274 V 1.0 MARCH2007
Description
Description
See bitfield table.
0000_0000h
Response
PC AUDIO