Gerhard Fiedler wrote: > I checked three data sheets (Motorola, Texas, ON) and even though they use > a slightly different nomenclature, all three have an inverted output enable > (low=on) and a direction pin. I supposed he meant "the WR/ & RD/" of a 8080-like CPU... -- Ciao, Dario -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist