GP2W0106YP Просмотр технического описания (PDF) - Sharp Electronics
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GP2W0106YP Datasheet PDF : 16 Pages
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GP2W0106YP
115 kbps Transceiver
1 2 3 4 56 78
NC NC VDD GND SD RXD TXD LEDA
+
CX
VDD GND SD RXD TXD
COMPONENT RECOMMENDED VALUE
CX
3.3 µF/6.3 V (NOTE 1)
NOTES:
1. Choose the most suitable CX according to the
noise level and noise frequency of power supply.
2. Pin 1 and Pin 2 are not connected internally.
GP2W0106YP-1
Figure 1. Recommended External Circuit
Table 1. I/O Truth Table
SD
Low
Low
Low
High
TXD
High
Low
Low
Don’t
Care
LED RECEIVER TR1 TR2
On Don’t Care — —
Off IrDA Signal Off On
Off No Signal On Off
Off Don’t Care Off Off
RXD
Not
Valid
Low
High
High
Pullup
TR1
260 kΩ
TYP.
RXD
TR2
GP2W0106YP-2
Figure 2. RXD Equivalent Circuit
+ CX
LEDA
VDD
1
ENCODER
2 TXD
CONSTANT
3
CIRCUIT
CURRENT
CIRCUIT
UART
GP2W0106YP
3
DECODER
4
RXD
5
CIRCUIT
SD
GND
SD INPUT PERFORMANCE
LOW
HIGH
Normal Mode
Shutdown
Mode
NOTES:
1 Transmitting data waveform
2 Encoder circuit output waveform
3 Transmitter output optical signal waveform
4 GP2W0106YP receiver output waveform
5 Receiving data waveform
Figure 3. Example of Circuit
GP2W0106YP-3
2
IrDA Data Sheet
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