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'[PIC] 12f675 pic programme error'
2008\07\16@155959 by threewheeler7

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klpkumara wrote:
>
> I have JMD programmer design for multi pic programming . but 12f675 can't
> programme using it .it work well with 16f84a chip
>
ok a couple things, one if it programs your f84, your looking good, check
your pinout and check it again. if you must, for troubleshooting, put your
12f chip in a breadboard and run wires over from your
programmer,(gnd,vcc,vpp,clock,data) to the chip. if that does dot work,
check your voltage between vpp and gnd. (if you are using ic-prog you can
turn on the individual signals for testing) you may not be getting
sufficient programming voltage, a lot of the 12f chips have a smaller
tolerance for this. if this is the case, try another computer if one is
available, some modern serial drivers dot supply enough power, otherwise you
need an external PS. tell me how that works out.
--
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2008\07\16@170401 by Jan-Erik Soderholm

face picon face
> klpkumara wrote:
>> I have JMD programmer design for multi pic programming . but 12f675 can't
>> programme using it .it work well with 16f84a chip
>>

Actual programmer design ?
Software ?
Int-MCLR enabled ?

2008\07\19@143407 by bob.axtell

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I think I'd buy a PICKIT2 or Wouter's small programmers, if I were
you. VERY inexpensive these days...

Bob A

On 7/16/08, Jan-Erik Soderholm <spam_OUTjan-erik.soderholmTakeThisOuTspamtelia.com> wrote:
>> klpkumara wrote:
>>> I have JMD programmer design for multi pic programming . but 12f675
>>> can't
>>> programme using it .it work well with 16f84a chip
>>>
>
> Actual programmer design ?
> Software ?
> Int-MCLR enabled ?
>
> -

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