Without re-reading all of Olin's notes on the subject - I do recall that being a work around for some of the dsPIC33F series parts and their very high slew rates. ISTR he was suggesting very small caps (10's of pF) with the intent being to limit slew rate to reduce crosstalk. I'd probably leave the pads and not populate until/unless you have an issue= .. -Denny --=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 .