Gary wrote:
>I need the exact sequence of events on a PIC!
>
>I put PIC to sleep, set to change on RB0 pin High to Low transition.
>
>Now does a High to Low transition only, (I.E. not High to Low transition
>and then back to High)
>awake the PIC?
>
>As in my experiments it is only the HLH sequence that wakes it?
>
>Is there any way of it working on just HL pulse, or is that just the way
>the PIC is designed to work?

You can change the trigger edge of RB0 in the option register. (bit 6)
Taken from the Microchip datasheet:

INTEDG: Interrupt Edge Select bit
1 = Interrupt on rising edge of RB0/INT pin
0 = Interrupt on falling edge of RB0/INT pin

Regards...

--
http://www.piclist.com#nomail Going offline? Don't AutoReply us!
email listserv@mitvma.mit.edu with SET PICList DIGEST in the body