SM5956AF datasheet(3/27 Pages) NPC

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SM5956A

SEIKO NPC CORPORATION —3

BLOCK DIAGRAM

PIN DESCRIPTION

No.

Name

I/O1

Function

HIGH

LOW

VDD

−

VDD supply (3.3V)

−−

LRCI

Sample rate clock input (fsi)

−−

BCKI

Bit clock input (32fsi to 64fsi)

−−

DIA

Data input A

−−

DIB

Data input B

−−

DIC

Data input C

−−

IWL0

Input word length select 0

See “Input Interface Settings”

IWL1

Input word length select 1

IMOD0

Input format select 0

IMOD1

Input format select 1

TEST4

Test input

Test

Normal

VSS

−

Ground (0V)

−−

VDD

−

VDD supply (3.3V)

−−

LRCO

BCKO

DOA, DOB, DOC

SCK

LRCI

BCKI

SCKSLN

Input data interface

DIA, DIB, DIC

Conversion rate detector

Output timing

operation

IMOD0

IMOD1

IWL0

DEEMN

FS0

FS1

Output data interface

Through, mute, and

slave mode control

DITO

OEDITON

THROUN

SLAVEN

DMUTEN

MCK

MDT

MLE

Digital audio interface

IWL1

MCU interface

Arithmetic

operation block

Deemphasis

filter operation

Interpolation

filter operation

Output operation

Sequencer block

Output data

operation

Interpolation

operation

RSTN

SELFN

ERROR

OMOD0

OMOD1

OWL0

OWL1

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