Dave, > If you have them set for low level, that might be quite significant :) The IRQs are set for falling edge. Its a simple 'network' with 5 of MEGA16s on, one controlling the other 4, all the PORTA pins of all 5 are tied together, I figured I wouldn't need pullups as there would always be something comming from the controller. same for the IRQ lines. Of the 7 parameters, 4 work perfectly, 3 don't seem to do the right thing, I just get garbage instead of the correct value. odd. Paul
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Re: [AVR-Chat] Stack
2004-12-23 by Paul Maddox