On Fri, 21 Dec 2001 12:01:03 +1300, Shirollah Ghadirian wrote: >Sorry guys, >Yes I am trying to use a PIC to run the GPIB bus to control some digital >I/O. > Are you *sure* you want to use GPIB?=20 While it may be possible to implement GPIB controller functionality on a PIC, it certainly would be a fairly difficult task to accomplish (especially if you're new to GPIB).=20 If all you need is digital I/O control, there are a number of far simpler implementations that would be much more compatible with the PIC's capabilities and limitations. Just my $.02, Bob Note: I don't mean to sound too discouraging to your efforts but, unless the use of GPIB is a hard requirement, I'd suggest considering other ways to implement your application. -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.