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. They're not as convenient to use as FLASH parts but they're not really OTP. Regards, Bob -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist