Hi, it looks fine, but when you are using a PIC with multiple VDDs such
as 18F8720 do I have to connect all VDDs to the socket program? Should
all of them be isolated?

Thanks

Aryldo

-----Mensagem original-----
De: pic microcontroller discussion list [mailto:PICLIST@MITVMA.MIT.EDU]
Em nome de Bob Axtell
Enviada em: quarta-feira, 11 de junho de 2003 09:08
Para: PICLIST@MITVMA.MIT.EDU
Assunto: Re: Picstart


Yep, it works fine.

I use a quality machine-pin socket and solder the wires right into the
holes, then run the wires over to the socket, distance not over 6".

One problem is that the PICSTART can't deliver a lot of current, i.e. it
designed to supply current to one chip only. So if you don't have the
PIC isolated, you might have problems.

I have enclosed a PDF on how to isolate the PIC from the rest of the
board, so ANYTHING will program it. It uses a low-drop schottky diode as
the isolator, so there is NO impact on speed or operation. Be sure the
have a bypass cap, at least 0.1uF.

Good luck!

--Bob

At 01:54 PM 6/11/2003 +0300, you wrote:
>Hi
>
>Is it possible to use PICSTART Plus as an In circuit serial programmer?

>for example Can we use a properly wired IC socket to obtain and carry
>programming signals to target board? Does anybody have experience on
>this? thanx
>
>ihsan
>
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