> > What is the purpose of the VDD pin on the ICSP connector? > > Is it ok to directly connect this VDD to power supply 5v VDD? > > Is it ok to directly connect this VDD to power supply 3v VDD? > > I am not asking about any specific type of programmer, I am asking for all > > types programmers since many people with different programmers will be using > > the same circuit/schematic. > 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. ' :-) I, also, wait in eager anticipation to hear if those of suitably great experience can reveal some sort of pattern in an apparently chaotic area.. Y.Manual.M.V R -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist