Reference for Wiring version 0027+. If you have a previous version, use the reference included with your software. If you see any errors or have any comments, let us know.

Name

FALLING

Examples
...

// attaches myFunction to external interrupt 0 on FALLING 
attachInterrupt(0, myFunction, FALLING);  

...
Description Reserved word representing a transition from HIGH to LOW on an external interruption pin.
Syntax
FALLING
Usage Application
Related LOW
RISING
CHANGE
attachInterrupt()
detachInterrupt()
interruptMode()
Updated on September 17, 2010 02:20:50pm PDT

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