MSM7620 データシートの表示（PDF） - Oki Electric Industry

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MSM7620

Echo Canceler

Oki Electric Industry 

¡ Semiconductor

BLOCK DIAGRAM

MSM7620-001 (Single chip only)

MSM7620

RIN

S/P

Non-linear/

Linear

ATT Gain

Linear/

Non-linear

ROUT

P/S

Howling

Detector

Double Talk

Detector

Power

Calculator

Adaptive

FIR Filter

(AFF)

SOUT

RST

PWDWN

P/S

Linear/

Non-linear

Center

Clip

ATT

Clock Generator

Mode Selector

Non-linear/

Linear

S/P

I/O Controller

SIN

WDT

VDD

VSS

X1/CLKIN X2 SCKO SYNCO NLP HCL ADP ATT GC

IRLD INT SCK SYNC

,
 MSM7620-011 (Cascade connection or Single chip)

RIN

S/P

Non-Linear

/Linear

ATT Gain

Howling

Detector

Double Talk

Detector

Power

Calculator

Linear/

Non-linear

P/S

Adaptive

FIR Filter

(AFF)

Parallel

I/O Port

Parallel

I/O

ROUT

PD15 *

PD 0 *

OF1 *

OF2 *

SF1 *

Controller

SF2 *

SOUT

*RST

*PWDWN

P/S

Linear/

Non-linear

Center

Clip

ATT

Clock Generator

Mode Selector

Non-linear/

Linear

S/P

I/O Controller

SIN

WDT

VDD *

VSS *

X1/CLKIN X2 SCKO SYNCO NLP HCL ADP ATT GC MS IRLD INT SCK SYNC

*

*

*

*

* If the MSM7620-011 is used in the slave mode, only the diagonally hatched blocks and

the pins marked with * are used.

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