> From: DOM ALTAMURO <dom.altamuro@consultant.com>
>
> Want to program a 16C84 when it is in circuit.
> [cut]
>
> The PICSTIC has a 4.7K resistor as well as a diode
> going from 5V to MCLR.
>
> I am wondering why the 4.7K resistor.
> I assume the talent at Micromint didn't just put it in
> for the heck of it--i.e. there's a reason why it is there. :-)
>
> But what is the reason?
> ---
>  ~ SLMR 2.1a ~ `PENTIUM' gets teeth their whitest!!!
>

Speaking from a position of ignorance on the PICSTIC, I would guess
the resistor is there so you can implement a reset by simple switch
of MCLR to ground.  Otherwise, the reset switch may try to pull VDD
to ground (or blow up the diode trying).

Regards,
SJH
Canberra, Australia