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'[PIC]: 16C57 Programming Error'
2002\04\04@211748 by David Duffy

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Hi All,
I just tried to program a 16C57-04/XP (old but straight from tube)
but the PicStart+ gives a head of errors upon programming and
it (the chip) does not seem to be programmed correctly. I have
the latest MPLAB & firmware. I used to program these a few years
ago with a PicStart 16B with no trouble at all. Any clues ?
A second new chip gave identical results. Weird huh!
Regards...

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2002\04\05@004949 by Tony Nixon

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David Duffy wrote:
>
> Hi All,
> I just tried to program a 16C57-04/XP (old but straight from tube)
> but the PicStart+ gives a head of errors upon programming and
> it (the chip) does not seem to be programmed correctly. I have
> the latest MPLAB & firmware. I used to program these a few years
> ago with a PicStart 16B with no trouble at all. Any clues ?
> A second new chip gave identical results. Weird huh!
> Regards...
>
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> ways.  See http://www.piclist.com/#archives for details.

Hi David,

If you have a spare one to send to me in Melbourne, I can try
programming one with my programmer if you like. I've got some 57's still
in the tube as well, -20P I think.

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Best regards

Tony

mICros
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2002\04\05@075359 by Olin Lathrop

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> I just tried to program a 16C57-04/XP (old but straight from tube)
> but the PicStart+ gives a head of errors upon programming and
> it (the chip) does not seem to be programmed correctly. I have
> the latest MPLAB & firmware. I used to program these a few years
> ago with a PicStart 16B with no trouble at all. Any clues ?
> A second new chip gave identical results. Weird huh!

Try doing a blank test first.  This will catch communication errors with
little chance of programming gobbledygook into your OTP parts.  It might
also catch parts that aren't really blank.

I'm assuming you've done the obvious, like set MPLAB for the right processor
and plugged the processor into the ZIF socket the right way.


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2002\04\05@090625 by Reginald Neale

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>
>I'm assuming you've done the obvious, like set MPLAB for the right processor
>and plugged the processor into the ZIF socket the right way.
>

  IIRC the 16B and the PicStart Plus use different
  chip orientations. Make sure to double-check this.

  Reg

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2002\04\07@180551 by David Duffy

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I asked:
> > I just tried to program a 16C57-04/XP (old but straight from tube)
> > but the PicStart+ gives a head of errors upon programming and
> > it (the chip) does not seem to be programmed correctly. I have
> > the latest MPLAB & firmware. I used to program these a few years
> > ago with a PicStart 16B with no trouble at all. Any clues ?
> > A second new chip gave identical results. Weird huh!

Olin replied:
>Try doing a blank test first.  This will catch communication errors with
>little chance of programming gobbledygook into your OTP parts.  It might
>also catch parts that aren't really blank.

I did that on the second chip. It did report that the config word
was not blank but that would be right for an XT part wouldn't it?

>I'm assuming you've done the obvious, like set MPLAB for the right processor
>and plugged the processor into the ZIF socket the right way.

Yes and yes !
Regards...

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2002\04\08@022652 by Rodrigo Valladares P.

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Hi,

i've playing with some 16c57 and picstart gave me the same error while
programming, what must be done is isolate pin 26 of 16c57, it must be
electrical isolated from the zif socket. I have done this with a little
piece of scotch inside the zif.

Tell me if this solve the problem.

and, of course, i don't know why this solve this problem.

Regards.

RVP.



----- Mensaje original -----
De: "David Duffy" <EraseMEpiclistspam_OUTspamTakeThisOuTAUDIOVISUALDEVICES.COM.AU>
Para: <PICLISTspamspam_OUTMITVMA.MIT.EDU>
Enviado: Domingo 7 de Abril de 2002 6:12 PM
Asunto: Re: [PIC]: 16C57 Programming Error


{Quote hidden}

processor
> >and plugged the processor into the ZIF socket the right way.
>
> Yes and yes !
> Regards...
>

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2002\04\08@024905 by David Duffy

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At 02:22 AM 08/04/2002 -0400, you wrote:
>I've playing with some 16c57 and picstart gave me the same error while
>programming, what must be done is isolate pin 26 of 16c57, it must be
>electrical isolated from the zif socket. I have done this with a little
>piece of scotch inside the zif.
>
>Tell me if this solve the problem.
>
>and, of course, i don't know why this solve this problem.

Nope, just tried it and have one more dead one. :-(
Regards...

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