STAC9271 datasheet(91/223 Pages) IDT

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STAC9271/9272/9273/9274

10-CHANNEL HIGH DEFINITION AUDIO CODEC

PC AUDIO

IDT™

10-CHANNEL HIGH DEFINITION AUDIO CODEC

STAC9271/9272/9273/9274 V 1.0 MARCH2007

IDT CONFIDENTIAL

6.10.6. ADC2 PwrState

Table 171. ADC2 ProcState

Command Response Format

Bit

Bitfield Name

Reset

Description

[31.:8]

Rsvd2

0x0

Reserved

[7]

HPFOCDIS

0x0

High Pass Filter Offset Calculation Disable

0 = Calculation enabled.

1 = Calculation disabled.

[6.:2]

Rsvd1

0x0

Reserved

[1.:0]

ADCHPFByp

0x1

Processing State = 00 (OFF): bypass the

ADC high pass filter;

Processing State = 01, 10, 11 (ON or

BENIGN): ADC high pass filter is enabled.

Table 172. ADC2 PwrState

Command Verb Format

Verb ID

Payload

Response

Get

F05

See bitfield table.

Set1

705

See bits [7:0] of bitfield table.

0000_0000h

Table 173. ADC2 PwrState

Command Response Format

Bit

Bitfield Name

Reset

Description

[31.:8]

Rsvd2

0x0

Reserved

[7.:4]

Act

0x3

PS-Act: Actual power state of referenced

node.

[3.:2]

Rsvd1

0x0

Reserved

[1.:0]

Set

0x3

PS-Set: Current power setting of referenced

node.

00 - Fully on.

01 - Fully on.

10 - Fully on.

11 - Powered down (default)

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