> You need at least one external interface chip to > pull this off. The most common > is to latch the addresses using something like a > 74HCT573 octal latch. Then > You can set the address, latch them, then turn to > port to inputs and read. Sweet, I have a pile of these kicking around here. Thanks for the tip. Cheers ===== MJ Brush LeftClick.ca Internet Media Services mbrush@[NOSPAM]leftclick.ca ______________________________________________________________________ Post your free ad now! http://personals.yahoo.ca -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body