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RFM12 Datasheet, PDF (2/10 Pages) – | |||
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Typical Applicationï¼
⢠Remote control
⢠Remote sensor
⢠Wireless data collection
⢠Home security system
⢠Toys
⢠Tire pressure monitoring system
Pin Definitionï¼
SMD
RFM12
DIP
definition
Type
Function
nINT/VDI
DI/ DO
Interrupt input (active low)/Valid data indicator
VDD
S
Positive power supply
SDI
DI
SPI data input
SCK
DI
SPI clock input
nSEL
DI
Chip select (active low)
SDO
DO
Serial data output with bus hold
nIRQ
DO
Interrupts request outputï¼active lowï¼
FSK/DATA/nFFS DI/DO/DI Transmit FSK data input/ Received data output (FIFO not used)/ FIFO
select
DCLK/CFIL/FFIT DO/AIO/DO Clock output (no FIFO )/ external filter capacitor(analog mode)/ FIFO
interrupts(active high)when FIFO level set to 1, FIFO empty
interruption can be achieved
CLK
DO
Clock output for external microcontroller
nRES
DIO
Reset outputï¼active lowï¼
GND
S
Power ground
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