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'[PIC]: ICSP problem'
2002\09\06@170326 by msolem

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Hello,

I am trying to do ICSP with a programmer I built from plans online (http://hyvatti.iki.fi/~jaakko/pic/picprog.html). It works great when I use it with the socket on the programmer, but when I try to do it in circuit, it fails.  However if I disconnect the oscillator from OSC1 and connect RB6 to it, it works fine.  I do ICSP with the PIC running, and the oscillator does run with the programming cable connected.  Anyone have any ideas.  Thanks.

Mike





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2002\09\07@060726 by Peter L. Peres

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On Fri, 6 Sep 2002, Michael Solem wrote:

>Hello,
>
>I am trying to do ICSP with a programmer I built from plans online
>(http://hyvatti.iki.fi/~jaakko/pic/picprog.html). It works great when I
>use it with the socket on the programmer, but when I try to do it in
>circuit, it fails.  However if I disconnect the oscillator from OSC1 and
>connect RB6 to it, it works fine.  I do ICSP with the PIC running, and
>the oscillator does run with the programming cable connected.  Anyone
>have any ideas.  Thanks.
>
>Mike

Connect a 1N4148 diode with K to MCLR and A to OSC1

Peter

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