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Old 02-18-2015, 01:42 PM   #1726 (permalink)
thingstodo
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Quote:
Originally Posted by MPaulHolmes View Post
thingstodo: It looks like the 5 pins that are needed on the ISP connector are also on that programmer, I think. I'm a little confused by some of them though. I'm not sure if Vpp functions the same as the MCLR pin on the board. The pinout on the board ISP is:

PIN 1: MCLR
PIN 2: +5V
PIN 3: GROUND
PIN 4: PGD
PIN 5: PGC
PIN 6: UNUSED

So maybe if you just match all those, it should be fine?
Driving Pins 1,3,4,5 is fine and match up. Pin 2 - the 5V - has a warning that it can't supply much power so that's why I asked about powering up the board normally.

ICSP 1 = ME Lab 2 MCLR
ICSP 3 = ME Lab 9 VSS ground
ICSP 4 = ME Lab 6 PGD
ICSP 5 = ME Lab 8 PGC

ICSP 2 = ME Lab 1 +5V

Quote:
What I always do is, plug the USB end of the programmer into my computer, and then plug the other end into the board, and then turn on the +24v power to the board, which provides the +5v to the programmer. I'm sure that would be how your programmer would work too.
OK - that should work if the board is SUPPLYing 5V to the programmer instead of using the 5V as a power supply.

Quote:
I'm not sure if mplab will recognize the programmer. You have to select it from a drop-down list. So you would have to probably program the hex file using a different program.
Yah .. I'll have to see if MPLab can recognize anything this old. Maybe the ME labs program can be used instead ... or I may end up buying a PICkit 3 anyway. Just making sure that it doesn't HURT/Brake anything to try it
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