STAC9202 datasheet(36/135 Pages) IDT

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STAC9202

2-CHANNEL HIGH DEFINITION AUDIO CODEC WITH DUAL DIGITAL MICROPHONE INTERFACES

PC AUDIO

IDT™

2-CHANNEL HIGH DEFINITION AUDIO CODEC WITH DUAL DIGITAL MICROPHONE INTERFACES

STAC9202

V 1.1 102606

IDT CONFIDENTIAL

5.4.19.

AFG DigMic

Table 45. AFG SysID Command Response Format

Bit

Bitfield Name

Reset

Description

[31:24]

Subsystem3

0x00

Subsystem ID. (Any non-zero value)

[23:16]

Subsystem2

0x00

Subsystem ID. (Any non-zero value)

[15:8]

Subsystem1

0x01

Subsystem ID. (Any non-zero value)

[7:0]

Assembly

0x00

Assembly ID.

(Not applicable to CODEC vendors)

Table 46. AFG DigMic Command Verb Format

Verb ID

Payload

Response

Get

FEA

See bitfield table

Set1

7EA

See bits [7:0] of bitfield table

0000_0000h

Table 47. AFG DigMic Command Response Format

Bit

Bitfield Name

Reset

Description

[31:8]

Rsvd

0x0

Reserved

[7:6]

PhAdj

0x0

Selects what phase of the DigMic clock the

data should be latched:

0 = rising edge

1 = center of high

2 = falling edge

3 = center of low

[5:4]

Rate

0x2

Selects the DigMic rate:

0 = 4 MHz

1 = 3 MHz

2 = 2 MHz

3 = 1 MHz

STAC9202 Datasheet(PDF) 36 Page - Integrated Device Technology

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