>> You don't need one. Just do what it says. > > Helpful as ever :-( > > But what are these bits called ? By whom? And who cares anyway? AFAIK uChip has not released the (full) specs of this interface, just some code sequences that achieve a certain effect. If you want to achieve the effect, issue the documented sequence. Otherwise you are into reverse engineering. Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products docent Hogeschool van Utrecht: www.voti.nl/hvu -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist