>IIRC, the 44100 is just the expander chip for the 44780; it >doesn't actually act as a controller. You should be able to use >the information you already have for the 44780, which is probably >elsewhere on the board (maybe hidden under the display). >Spehro Pefhany Or under that sticker on the other chip! I thought for once I would not go peeling the stickers off the chips...heh...there it is! >2nd page of a google search: >http://www.datainternational.com/tec_icspecs.php3 >Bill Very good! And now I'll have to start looking at the 2nd page of web search results... Thanks to all who responded! Barry -- 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