ELKEJBOUT Mustapha skrev: > hi, > What I want to know if the pic16f628 Do you *REALY* want to use the 16F628 ? Not the 16F628A ?? > has an in built-in ADC... Others have correctly pointed at the datasheet, but the answer is "no". Jan-Erik. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist