Bob Barr wrote : > On Tue, 22 Feb 2005 18:24:00 +0100 (MET), Jan-Erik Soderholm wrote: > > >(with the "C" parts you just have one chance to get > >the code right), > > The "C" parts are available in a windowed ceramic package (the JW > package) that allows you to erase them with a UV EPROM eraser. Yes, you are right of course. It wasn't clear from the original post which is acualy used here. Still, is there any reason to use the 16C USB part instead of the new 18F USB parts ? Fore *new* development, that is. Jan-Erik -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist