thanks !! Jinx wrote: Looks like a mis-print. See Section 3.3.2, page 43 There are a couple of 16F913 errata (not concerning IOC) http://ww1.microchip.com/downloads/en/DeviceDoc/80238A.pdf http://ww1.microchip.com/downloads/en/DeviceDoc/80233b.pdf -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist --------------------------------- Yahoo! Mail Bring photos to life! New PhotoMail makes sharing a breeze. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist