Photo Link Module
(2-a) RC transmitting mode at IrDA receiver active condition.
Input
Condition
PWDOWN
TX-RC
TXD
LED Mode Recriver circuit
L
L
L
OFF
ON
L
L
IrDA
ON
L
L
RC
ON
H
L
L
OFF
OFF
RPM841-H11
TX-RC
(2pin)
TXD
(3pin)
PWDOWN
(5pin)
Min 1µs
Min 1µs
LED Emitting
Emitting Mode
RC
IrDA
IrDA
RC
∗If TX-RC or TXD input pulse width is wider than 48µs, output LED emitting pulse will be turn off approximately 48µs.
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