> Could some Picer give me some address where I could find a good > comparison chart of the several existing Pics (nr. of i/o pins, > registers, A/D converters, ...) What you want is called the "line card". You can get a printed version from you local Microchip rep, and there is a PDF version on the web site. ******************************************************************** Olin Lathrop, embedded systems consultant in Littleton Massachusetts (978) 742-9014, olin@embedinc.com, http://www.embedinc.com -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.