Russell McMahon wrote: >> For such a broad question you can only get a likewise broad answer: >> "it depends, RTM". > > ' I'd interpret the broad question as "having read a cross section of > manuals, I find that there are a wide range of situations that apply. > It may be that there are best practices, frowned on procedures, most > common means of implementation and more which I in my necessarily > incomplete knowledge may have failed to pick up on > > So, can anyone skilled in the art and experienced in the ways of the > beasts offer some generic advice through what is obviously a bit of a > minefield? If you know no more on the subject than I do you may wish > to wait with me for pearls of enlightenment from the masters. ' You may interpret it that way, but that's only one interpretation, and good questions don't need interpreting anyway. He asked what he asked, and we should take it at face value. Wouter's response was right on for that. If the OP want's a better answer, he'll have to ask a better question. ******************************************************************** Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products (978) 742-9014. Gold level PIC consultants since 2000. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist