STAC9271 datasheet(35/223 Pages) IDT

35 / 223 page

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

6.1.3.

Root NodeInfo

6.2.

AFG Node (NID = 0x01)

6.2.1.

AFG Reset

Table 12. Root NodeInfo

Command Verb Format

Verb ID

Payload

Response

Get

F00

See bitfield table.

Table 13. Root NodeInfo

Command Response Format

Bit

Bitfield Name

Reset

Description

[31.:24]

Rsvd2

0x00

Reserved

[23.:16]

StartNID

0x01

Starting node number (NID) of first function group

[15.:8]

Rsvd1

0x00

Reserved

[7.:0]

TotalNodes

0x01

Total number of nodes

Table 14. AFG Reset

Command Verb Format

Verb ID

Payload

Response

Get

7FF

See bitfield table.

Set1

7FF

See bits [7:0] of bitfield table.

0000_0000h

Table 15. AFG Reset

Command Response Format

Bit

Bitfield Name

Reset

Description

[31.:0]

Response

0x0

Reserved. Overlaps Execute.

[0]

Execute

0x0

Function Reset. Function Group reset is

executed when the Set verb 7FF is written

with 8-bit payload of 00h. The CODEC

should issue a response to acknowledge

receipt of the verb, and then reset the

affected Function Group and all associated

widgets to their power-on reset values.

Some controls such as Configuration

Default controls should not be reset.

Overlaps Response.

STAC9271 Datasheet(PDF) 35 Page - Integrated Device Technology

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