RPM841-H11E2A データシートの表示（PDF） - ROHM Semiconductor

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RPM841-H11E2A

IrDA Infrared Communication Module

ROHM Semiconductor 

Photo Link Module

zTerminal description

Pin No Terminal

1

LEDA

2

TX-RC

Circuit

1

LED

VCC

240k

3

TXD

VCC

240k

4

RXD

PWDOWN

VCC

300k

VCC

5

PWDOWN

6

VCC

7

GND

− Shield Case

RPM841-H11

Function

LED ANODE Terminal

Other power source can be used

difference between LEDVCC and VCC.

RC Transmitting Data Input Terminal

H : LED Emitting (Remote Control Mode)

CMOS Logic Level Input

Holding TX-RC='H' status, LED will be

turn off approximately 48µs.

Transmitting Data Input Terminal

TXD input at PWDOWN=L

H : LED Emitting

CMOS Logic Level Input

Holding TXD="H" status, LED will be

turn off approximately 48µs.

Receiving Data Output Terminal

CMOS Logic Level Output

When PWDOWN (5pin)= 'H', the RXD

output will be pulled up to VCC at

approximately 300kΩ.

Power-down Control Terminal

H : POWERDOWN

L : OPERATION

CMOS Logic Level Input

When input is 'H', it will stop the receiving

circuit and Pin-PD current.

Power Supply Terminal

For preventing from infection, connect

a capacitor between VCC (6pin) and

GND (7pin).

Ground Termianl

Connect to Ground.

3/9

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