Quote Originally Posted by Joe S. View Post
I make them outputs and tie them to ground through 10k. Inputs if somehow allowed to float make great antennas for noise / outputs on the other hand if somehow get switched on, increase your power consumption. Bottom line is tie them the way that works best for your application, but do not let them float.
It's sounds like the common denominator so far is tieing them to ground with a 10k. After that I can control via software if they are output or input. Which would work best for my application can be determined later.

Thanks all

David