You might like to have a look at this link which I came across today which gives an overview of character generation circuits with links to examples. http://www.tinaja.com/glib/muse134.pdf Kayode ____________________________________________________________ Put your next PIC project on TV! http://www.stv5730a.co.uk -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.