Robert Young wrote :

> Unused input should be tied to known levels, preferraby 
> through a resistor so they can be used later if necessary.

During programming ?
Which is what the OP (and everyone else) has been
talking about.

Maybe you missed the context of the question.

I've not see any programer design that does anything
special with all pins *not* involved in the programming
process.

Jan-Erik.



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