STAC9220 datasheet(87/172 Pages) IDT

87 / 172 page

STAC9220/9221/9223

8-CHANNEL HIGH DEFINITION AUDIO CODEC

PC AUDIO

IDT™

STAC9220/9221/9223

V 0.96 102706

8-CHANNEL HIGH DEFINITION AUDIO CODEC

6.13. SPDIFIn Node (NID = 0x09)

6.13.1.

SPDIFIn Cnvtr

Table 148. SPDIFIn Cnvtr Command Verb Format

Verb ID

Payload

Response

Get

0000

See bitfield table

Set1

See bits [15:0] of bitfield table

0000_0000h

Table 149. SPDIFIn Cnvtr Command Response Format

Bit

Bitfield Name

Reset

Description

[31:16]

Rsvd2

0x0

Reserved

[15]

FrmtNonPCM

0x0

Stream Type

0 = PCM

1 = Non-PCM (remaining bits in this verb have

other meanings)

[14]

FrmtSmplRate

0x0

Sample Base Rate

0 = 48 KHz

1 = 44.1 KHz

[13:11]

SmplRateMultp

0x0

Sample Base Rate Multiple

000 = 48 KHz / 44.1 KHz or less

001 = x2

010 = Reserved (x3)

011 = x4

100-111 = Reserved

[10:8]

SmplRateDiv

0x0

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

[7]

Rsvd1

0x0

Reserved

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