> A little software effort If you're porting an application from 16F to 18F then it might be more than a little effort. Could be a re-write as things are done so differently, but that depends on how much of the 16F code can be replaced by 18F instructions. For example data, tables or FSR and banking useage Joe ----- No virus found in this message. Checked by AVG - www.avg.com Version: 2015.0.5577 / Virus Database: 4213/8572 - Release Date: 11/14/14 --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .