> Another possibility is to check PICkit 1 source code.
> I have programmed lots of 12F629 with internal MCLR with
> no problems. The firmware and the host software source
> codes are both available from Microchip website.

That is no answer to the problem: the PICkit1 is a programmer-target
combo, so it can switch the target's Vdd at will. The problem is when
the target is self-powered. 

You will run into the same problem when you try to use a PICkit1 to
program a self-powered target.

Wouter van Ooijen

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

-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist