Hi Guys,

I'm building a project (using a PIC16F627) and have reached the stage where 
I'm ready to design the board layout, so need to decide what I'm going to do 
with the unused port lines. As you'll be able to see, I don't have a lot of 
experience.

RA0,1,2,3 are used as O/P's and RA4 unused . so can I leave RA4 as an output 
and leave it unconnected .. or should it be terminated in some way?
RB0 is used for an EXT Int . RB1,2,3,4 as I/P's .. and RB5,6,7 unused.

I'm assuming I should leave RB5,6,7 as I/P's and just tie them directly to 
Vdd.

I'm aiming for a tiny pcb with no wasted space, so am trying to avoid any 
components I don't absolutely need to have.

Thanks for any advice.

Regards, Roger 

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