> I need more I/O for my next project than the 16F648 has.  I
> need about 14 output and 3 input, two of which are interrupts.
>  Ideally, a few more inputs are useful too, but not required

Like Vasile was saying, what I/O functions do you need ? There
are ways to get around I/O shortages by multiplexing with s/w or
h/w

Moving to a bigger PIC is the obvious easy way, but making a
smaller PIC accomplish the same thing is more rewarding

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