Olin and everyone: Guess what? Microchip recommends resistors to GND on unused outputs in the DSPIC Datasheets (rummaged thru DsPIC33FJ64/710 or something like it). First time I ever saw that. I think I owe the original OP an apology. --Bob A -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist