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'[PIC]: Picstart ICSP'
M. Adam Davis
|You mention later that you don't actually use a picstart with this
Does your programmer hold MCLR low when it's not programming? The
Picstart seems to - this circuit won't allow the chip to run unless you
detach the mclr line.
I have RB6, RB7, and GND connected, I leave VCC out and let the circuit
power itself during programming. As for MCLR, I currently use a jumper
and only connect it when programming. It's annoying, but it works with
much less trouble than switching the chip itself.
I've toyed with the idea of using a DPDT switch to switch both power and
MCLR so I can program the chip, but I think a diode arrangement on the
MCLR line could solve the problem nicely as well.
I'd be interested in finding out how others have attached their Picstart
to their circuit.
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> I'd be interested in finding out how others have attached their Picstart
> to their circuit.
Me to, I didnt know I could do this with Picstart +. For smaller PICs that
can't be used with a bootloader I now have to move the chip between my
circuit and my Picstart+ :(
So, which pins from the Picstart+ to where??
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Do a PIClist search there have been many threads on this - as recently as a
month or two ago all was revealed...
Re: [PIC]: Picstart ICSP
> > I'd be interested in finding out how others have attached
> their Picstart
> > to their circuit.
> Me to, I didnt know I could do this with Picstart +. For
> smaller PICs that
> can't be used with a bootloader I now have to move the chip between my
> circuit and my Picstart+ :(
> So, which pins from the Picstart+ to where??
Also look at datasheets and Mchip ap notes! much to found there!
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