Hi! me again.

I want to configure multiple bumps sensors using the AT89C52, but I don't want to keep checking the I/O lines all the time.

I'm trying to come up with a circuit which could allow me to use the External Interrupt line. My thinking is that each sensor could trip the Interrupt line and a certain I/O pin at the same time, then the interrupt could check which sensor triggered the interrupt and act accordingly. This would save me having to check the I/O lines constantly using a timer.

What I want to know is would this be possible?

Chris Brooks.