STAC9271 Datasheet, PDF (91/223 Pages) Integrated Device Technology – 10-CHANNEL HIGH DEFINITION AUDIO CODEC

STAC9271/9272/9273/9274
10-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
Bit
[31.:8]
[7]
[6.:2]
[1.:0]
Table 171. ADC2 ProcState Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd2
R
0x0
Reserved
HPFOCDIS
High Pass Filter Offset Calculation Disable
RW
0x0
0 = Calculation enabled.
1 = Calculation disabled.
Rsvd1
R
0x0
Reserved
Processing State = 00 (OFF): bypass the
ADCHPFByp
RW
0x1
ADC high pass filter;
Processing State = 01, 10, 11 (ON or
BENIGN): ADC high pass filter is enabled.
6.10.6. ADC2 PwrState
Get
Set1
Table 172. ADC2 PwrState Command Verb Format
Verb ID
Payload
Response
F05
00
See bitfield table.
705
See bits [7:0] of bitfield table.
0000_0000h
Bit
[31.:8]
[7.:4]
[3.:2]
[1.:0]
Table 173. ADC2 PwrState Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd2
R
0x0
Reserved
Act
R
0x3
PS-Act: Actual power state of referenced
node.
Rsvd1
R
0x0
Reserved
PS-Set: Current power setting of referenced
node.
Set
RW
0x3
00 - Fully on.
01 - Fully on.
10 - Fully on.
11 - Powered down (default)
IDT™ 10-CHANNEL HIGH DEFINITION AUDIO CODEC
91
IDT CONFIDENTIAL
STAC9271/9272/9273/9274 V 1.0 MARCH2007