Great. I downloaded the calculator and am using the 'timer helper' module. I am using a 20 Mhz OSC. I am not too sure as to what I need for a reload number. I enter in 1 Khz for the interrupt frequency. Using 10 for the reload number I get 60546 for the preload result. Hex is then ec82. If this correct? I am going to reverse engineer using your numbers for 0.01 resolution to see if its right. I am at the in-laws without my scope so I can't check this today.
Thanks for the help
Toby
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