PicDude wrote: > Great thanks. I'll go through these this weekend. Hopefully I'll soon > know > what "A3 stepping" means. Hi Neil. "A3" is just the version of silicon. A0 is normally engineering samples, A1 is the first production silicon. Every errata references this version number. Vitaliy -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist