GP2W2002YK Datasheet, PDF (9/12 Pages) Sharp Electrionic Components – IrDA Control Infrared Transceiver for Peripheral Type 2

ELECTRONIC COMPONENTS
SHARP IrDA Control Infrared Transceiver
8. Application Circuit and Recommended Components
Parts
CX1
CX2
CX3
CX4
CX5
R1
R2
R3
R4
Recommended Value
470pF, + 10%, Ceramic
0.1µF, + 10%, Ceramic
4.7µF, + 20%, Aluminum
0.1µF, + 10%, Ceramic
560pF, + 10%, Ceramic
10Ω, + 5%, 0.125 Watt
8.2kΩ, + 1%, 0.125 Watt
820 Ω, + 5%, 0.125 Watt
4.7Ω, + 5%, 0.5 Watt
Receiver
Transmitter
1
2 3 4 5 6 7 8 9 10
11
CX1
R2
CX4
FERESET
CX2
CX3
R1
3.3V
R3
CX5
R4
Ç ILED=400mA
IRRX
IRTX
5V
Figure 8.1 GP2W2002YK Application Circuit Example
9. Waveform Examples
The following diagram shows and example of IrDA Control implementation using Sharp IrDA Control Infrared
Transceiver. The waveform of the implemented system with Sharp IrDA Control Infrared Transceiver will be as shown
below:
Vcc2=5V
LEDA
TXD
I
Vo
II
RESET
SD
Avcc
Vcc1=3.3V
Section
I
IRTx1
IRRx1
FRESET
II
RxCNT
Waveform
16PSM code x 1.5MHz
Receiver Original Output
Figure 9.1 IrDA Control Transceiver Implementation
SHARP Electronic Components
9
Rev. 1.0.1, November 26, ‘98