Goran Hosinsky wrote :

> I want a good power on
> reset and I wonder if it is ok to leave the MCRL pin open,
> trusting the internal pullup to do the work?

What internal pullup ??? Ther is no on MCLR/GP3...

> The same question for GP2 and GP4 which are not used. I
> plan to leave them open, as inputs with the internal pullup
> on.

Not on reset, only after you've set the WPU register, and
before that you could get any number of interesting problems
if you leave the inputs open.I think it's better to tie them
high or low in som e way.

Regards,
Jan-Erik.



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