> I assume you have /MCLR connected to the programmer
> and isolated from Vdd. IIRC, on the '877 you should
> ground PGM (low-voltage programming) if you are not
> using it. Wouter's diagram shows PGM connected to his
> programmer.

Wisp628 has a dedicated pin that is pulled low during programming-entry.
You can use it for this purpose, or arrange for your target circuit
itself to pull LVP low. But better not let it float, that will cause
occasional problems (which is much worse than causing problems every
time).

Wouter van Ooijen

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Van Ooijen Technische Informatica: www.voti.nl
consultancy, development, PICmicro products

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