STAC9250 datasheet(55/137 Pages) IDT

Part #	STAC9250

Description	TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES

PDF	137 Pages

Scroll/Zoom	100%

Manufacturer	IDT [Integrated Device Technology]

Direct Link	http://www.idt.com

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55 / 137 page

STAC9250/9251

TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES

PC AUDIO

IDT™

STAC9250/9251

V 1.1 102706

TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES

Table 87. SPDIFoutCnvtr Frmt Command Response Format

Bit

Bitfield Name

Reset

Description

[31:16]

Rsvd2

0x0

Reserved

[15]

StrmType

0x0

Stream Type

0 = PCM

1 = Non-PCM

(remaining bits in this verb have other

meanings)

[14]

RateBase

0x0

Sample Base Rate

0 = 48 KHz

1 = 44.1 KHz

[13:11]

RateMult

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]

RateDiv

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

[6:4]

NumBits

0x3

Bits per Sample

000 = 8 bits

001 = 16 bits

010 = 20 bits

011 = 24 bits

100-111 = Reserved

[3:0]

NumChan

0x1

Number of Channels in each frame of the

stream.

0000 = 1 channel

0001 = 2 channels

...

1111 = 16 channels

STAC9250 Datasheet(PDF) 55 Page - Integrated Device Technology

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