So I'm looking to use a 1280/2560 chip in a circuit, programmed with Arduino. However, apparently they're as rare as hens' teeth, and I've managed to get hold of some ATMega1280-8AUs, which are set to run at 8Mhz instead of 16.
Now clearly this is going to affect some things, as I've read bits here and there about fiddling with the clock on the ATM128/328, but nothing I could gather together completely.
What will I need to do to make sure that the programs I write will work okay? I need accurate timings as I need the chip to do some servo control....
Thanks!
Tom