> > I have reread page 78, but I cannot find this explanation. > > If we're working from the same version of the F628 manual, > it says that TRMT must be polled - TRMT is a read-only bit > which is set when the transmit register is empty. No interrupt > logic is tied to this bit so.......etc etc Okay, thanks for spelling it out for me. I think we are on the same page now :-) Best regards, Jacob Grydholt Jensen -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics