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

MSM7620

Control Pin Connection Example

Single Chip Connection

Two-stage Cascade Connection

Master + (slave ¥ 1)

NLP

HCL

ADP

ATT

GC

PWDWN

RST

+5 V

MS * * PD15

NLP

HCL * PD 0

ADP

ATT

GC

PWDWN

RST

INT IRLD

SF1 * * OF1

SF2 * * OF2

NLP

HCL

ADP

ATT

GC

PWDWN

RST

+5 V

Master chip

MS PD15

NLP

HCL PD 0

ADP

ATT

GC

PWDWN

RST

INT IRLD

SF1

OF1

SF2

OF2

+5 V Slave chip

MS PD15

NLP

HCL PD 0

ADP

ATT

GC

PWDWN

RST

INT IRLD

SF1

OF1

SF2

OF2

Asterisk * mark indicates a pin only for the MSM7620-011.

Four-stage Cascade Connection

Master + (slave ¥ 3)

NLP

HCL

ADP

ATT

GC

PWDWN

RST

+5 V

Master chip

MS PD15

NLP

HCL PD 0

ADP

ATT

GC

PWDWN

RST

INT IRLD

SF1

OF1

SF2

OF2

+5 V Slave chip 1

MS PD15

NLP

HCL PD 0

ADP

ATT

GC

PWDWN

RST

INT IRLD

SF1

OF1

SF2

OF2

+5 V Slave chip 2

MS PD15

NLP

HCL PD 0

ADP

ATT

GC

PWDWN

RST

INT IRLD

SF1

OF1

SF2

OF2

+5 V Slave chip 3

MS PD15

NLP

HCL PD 0

ADP

ATT

GC

PWDWN

RST

INT IRLD

SF1

OF1

SF2

OF2

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