參數(shù)資料
型號(hào): RPM870-H14
廠商: Rohm CO.,LTD.
英文描述: IrDA wireless communication transceiver IC (supports Ver. 1.2 Low Power)
中文描述: 無(wú)線通信的IrDA收發(fā)器集成電路(支持版本。1.2低功率)
文件頁(yè)數(shù): 3/7頁(yè)
文件大?。?/td> 95K
代理商: RPM870-H14
RPM870-H14
Photo Link Module
3/6
Terminal description
Terminal
Circuit
Function
Pin No
1, 4
GND
This terminal must be left open.
2NC
PWDOWN
RXD
TXD
LEDA
3
5
6
7
8
VCC
For preventing from ripple noise.
connect a capacitor between
VCC (3pin) and GND (4pin).
LED
VCC
200K
Power-down control terminal
H : POWERDOWN
L : OPERATION
CMOS logic level input
When input is H, it will stop
the receiving circuit, Pin-PD
current and transmitting LED operation.
Receiving data output terminal
CMOS logic level input
When PWDOWN (5pin) = H, the RXD
output will be pulled up to
VCC at approximately 300k
.
Transmitting data input terminal
H : LED Drive (PWDOWN = L)
CMOS logic level output
Holding TXD = "H"status, LED will
be turn off approximately 48
sec.
LED ANODE terminal
Other power source can be used
difference between LEDVCC and VCC.
VCC
300k
PWDOWN
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參數(shù)描述
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