ALPHA-RX433S datasheet(3/16 Pages) ETC1

3 / 16 page

DSALPHA-3

Jul 09

2009 RF Solutions Ltd.

Page 3

ALPHA RF MODULES

ALPHA-TX

ALPHA-RX

Receiver Pin Description

Definition

Direction

Description

VDI

OUT

FSK Data Input

VDD

Positive Power Supply

SDI

SPI Data Input

SCK

SPI Clock Input

nSEL

Chip select (Active Low)

FFIT/SDO

OUT

FIFO fill interrupt (Active Low) / status read

data output

nRES

OUT

Clock out for MCU (1-10MHz)

7,10

GND

Ground Connection

nIRQ

OUT

Interrupt Request Output (Active Low)

DATA/nFFS

Data Input (non FIFO Mode) / FIFO Select

DATA/CFIL/FFIT

IN/OUT

Clock Output (noFIFO) / External filter

Capacitor(analog mode) / FIFO interrupt (active

High) when FIFO level set to 1, FIFO Empty

interruption can be achieved.

CLK

OUT

Clock Output for external microcontroller

ANT

Antenna input

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