If you change chips often it may be a good idea to use macros for the chip
specific things (like initializing the PIC, or using ports or other
peripheries).

Tamas


On 04/09/06, Bob Axtell <engineer@neomailbox.com> wrote:
>
> Renzo wrote:
> > I have a circuit, mainly a counter, with Led display driven by a
> > 16F84a that runs perfectly.
> > I changed the chip with a 16F628A , no change in the circuit I only
> > replaced in the program the RAM beginning with 20h instead of 0Ch and
> > of course processor and include file..
> > Now to start I have to momentary ground Rb0 and Rb4 never change.
> >
> > There are any other replacement to do? There is some article that
> > deal with this problem?
> > Thanks
> > Renzo Giurini
> >
> >
> There are a few other changes, too. Look at the Microchip Spec sheet for
> the PIC16F628A.
> At the very least, CMCON will have to be loaded with 7 to turn off the
> analog comparators,
> and enable digital signal operation.
>
> --Bob
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