> >   > Something that will take a 40 pin ZIF socket,
> >   there are few programmers that have a big zif socket and support
> >   lots of pics in it for the simple reason that it's hard 
> to do, some
> >   lines need to be very flexible (anything from an input to a power
> >   supply) which means either lots of discrete transistors or special
> >   purpose chips.
> > 
> >   Or I assume, a PIC and a few less components?
>
> Can PIC IO lines source/sink enough current at voltages 
> sufficiantly close to the power rails to power another pic 
> reliablly? i haven't tried it myself but i somewhat doubt it.

No, but I am afraid that it will work on your bench but fail (sometimes)
in the field. Same problem as with serial-port-powered programmers.

Wouter van Ooijen

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Van Ooijen Technische Informatica: www.voti.nl
consultancy, development, PICmicro products
docent Hogeschool van Utrecht: www.voti.nl/hvu
 

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