RPM841-H11 
 
Photo Link Module
 
 
 
5/9 
 
LED Operation Mode Table
PWDOWN
(5pin)
L
L
L
H
H
H
TX-RC
(4pin)
L
L
L
L
TXD
(7pin)
LED
Emitting Mode
IrDA Receiver
Operation Condition
L
L
L
L
OFF
IrDA
RC
OFF
OFF
RC
ON
ON
ON
OFF
OFF
OFF
Notes) Please be sure to set up the TX-RC (2pin) and the TXD (3pin) input to be ''L'' (under 0.3V)
except transmitting data (for < 90祍. ON Duty 50%).
of TX-RC (2pin) and TXD (3pin) in the table above is supposed to be the pulse input.
When either TX-RC (2pin) input TXD (3pin) input keeps the state of ''H'' (more than appproximately 48祍),
LED will be turned off due to LED pulse width limiting circuit if the pulse is input from the other terminal.
Therefore, don't use as the normal transmitting is impossible.
Please input the pulse when both TX-RC (2pin) and TXD (3pin) are ''L''.
 
 
 
Interface operating timing 
(Emitting side)
(1)   When TXD output for IrDA and TXD output for controller are different lines.
IrDA
Controller
RC Transmitting
Controller
(BU787X etc)
VCC
VCC
LEDVCC
GND
1
7
TX-RC
PWDOWN
RXD
TXD
LEDA
 
 
相关PDF资料
RPM841-H16E4A1 MODULE IRDA 115.2KBPS 7-SMD
RPM870-H14E2 MODULE IRDA 115.2KBPS 8SMD
RPM871-E2 MODULE IRDA 115.2KBPS 8SMD
RPM871-H12E4 MODULE IRDA 115.2KBPS 8SMD
RPM871-H14E2 MODULE IRDA 115.2KBPS 8SMD
RPM872-E2 MODULE IRDA 115.2KBPS 8SMD
RPM872-H12E4 MODULE IRDA 115.2KBPS 8SMD
RPM872-H14E2 MODULE IRDA 115.2KBPS 8SMD
相关代理商/技术参数
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