> TRY to THINK SERIAL. Howa! This interests me. How can I find out more about these chips? I needed a simple way to increase my I/O pins count. Any more ideas or chips on how to do that? Thanx, Nuno. _/^\_ ______/\__________________________________________oOOo__O_O__oOOo___ / / / _______________ \ | /\/ /\ Nuno Filipe Freitas Pedrosa \ Agrupamento / | | \ \/\ \ (aka Rifkind) \ 939/CNE / | | \ \/\ \ \ Paiao / | | \/ /\/ Email: nffp@dione.ist.utl.pt /_________\ | \____/ /_____________________________________________________________/ \/