One very important feature (at least in my application) of the 16C71 over the higher PICs in the series is that Bank 0 RAM is mapped also in Bank 1. The only higher PIC in that series that has this feature is the 16C711, but that one also still only has 1K of code space. Just thought I would mention that to anyone interested, since I switched to the 16C715 for extra RAM, memory space, etc. and found this out after the fact :( I realize it just means I'll have to add some lines here and there to switch banks, but it still was a nice feature. --Andrew _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.