Rainbow Electronics RF12 - Manual (Page 6)

RF12
PACKAGE PIN DEFINITIONS
Pin type key: D=digital, A=analog, S=supply, I=input, O=output, IO=input/output
Pin Name Type Function
1 SDI DI Data input of the serial control interface (SPI compatible)
2 SCK DI Clock input of the serial control interface
3 nSEL DI Chip select input of the serial control interface (active low)
4 SDO DO Serial data output with bus hold
5 nIRQ DO Interrupt request output (active low)
FSK DI Transmit FSK data input
6 DATA DO Received data output (FIFO not used)
nFFS DI FIFO select input (active low) In FIFO mode, when bit ef is set in Configuration
Setting Command
DLCK DO Received data clock output (Digital filter used, FIFO not used)
CFIL AIO External data filter capacitor connection (Analog filter used) 7
FFIT DO
FIFO interrupt (active high) Number of the bits in the RX FIFO that reach the
preprogrammed limit In FIFO mode, when bit ef is set in Configuration Setting
Command
Tel: +86-755-86096587 Fax: +86-755-86096602 E-mail: [email protected] http://www.hoperf.com