> Hmm... thanks for the explanation. I understand now the difference > between what a device programmer is allowed to do or not, and what > the program code is allowed to do or now. So, if I'm interested in > keeping someone from copying my application out of the PIC's > flash, I > only need to enable the CodeProtect bit(s)? correct, unless you allow the user to download his own code. In that case you would also have to worry about that code reading your secret code (using table reads). Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products docent Hogeschool van Utrecht: www.voti.nl/hvu -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist