UPD4711BGS データシートの表示（PDF） - NEC => Renesas Technology

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UPD4711BGS

RS-232 LINE DRIVER/RECEIVER

NEC => Renesas Technology 

TRUTH TABLE

Drivers

STBY

H

L

L

L

DCON

X

L

H

H

Receivers

DIN

DOUT

Remark

X

Z

Standby mode (DC-DC converter stops)

X

L

Mark level output

L

H Space level output

H

L

Mark level output

STBY

RIN

H

X

L

L

L

H

ROUT

Z

H

L

Remark

Stanby mode (DC-DC converter stops)

Mark level input

Space level input

Receiver input threshold voltage

RCON

L

H

RIN1 to RIN2

A mode

B mode

H: high level, L: low level, Z: high impedance, X: H or L

µPD4711B

3

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