you should be able to access the proct. bits through the IDE mplab. "configuration bits" john --- beckiewynn@yahoo.co.uk wrote: > I want to protect my pic code from copying. The > device is 18f4550. > Which are the ones to activate - CP0-CP3 or > WRT0-WRT3 or > EBTR0-EBTR3 ? > Beckie. > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist