> Are we talking about the same page? I'm talking about: > Oh, yes, I get you now. I think the reason it was done that way was because Tony, as an example, started with a particular frequency and duty cycle. Setting up any PWM will involve some calculations. There are some times for instance when you might want to stay away from frequencies in the audio range, which could be annoying, so you'd need to work out timer loadings and processor speed wbr -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist