> Have you looked at the serial and parallel chips made by FTDI? > http://www.ftdichip.com/ > They specifically deal with all the low level stuff, and they work quite > well for what they are. They are also very easy to get. I thought they only made RS-232 chips, but I see that their parallel FIFO chip might be a good fit. I'm going to go study that data sheet. Thanks for your help. ***************************************************************** Embed Inc, embedded system specialists in Littleton Massachusetts (978) 742-9014, http://www.embedinc.com -- 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