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PICList Thread
'[PIC]:P16PRO'
2001\03\22@183029 by Gilles Auger

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Hi

I am looking at the P16pro schematic. and i only find a 18 pin socket for
the pic,

when they claim support for 28 and 40 pin device like the 16f876 and 16f877.

How can you explain the difference between the schematic and the
documentation.

Thanks for your collaboration


Gilles Auger
spam_OUTgaugerTakeThisOuTspamsympatico.ca

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2001\03\22@185546 by shane

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Hi,

It definitely works for the 28 and 40 pin devices - I have a device here on my desk - its all just a 5-connection serial link anyway
(clk, data, +5V, gnd and programming voltage). If you want to know more, theres a review on
http://www.workingtechnologies.com/htpic/PICALL_review.htm.

Cheers,
Shane.

> {Original Message removed}

2001\03\22@193543 by Robert A. LaBudde

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At 06:29 PM 3/22/01 -0500, Gilles wrote:
>I am looking at the P16pro schematic. and i only find a 18 pin socket for
>the pic,
>
>when they claim support for 28 and 40 pin device like the 16f876 and 16f877.
>
>How can you explain the difference between the schematic and the
>documentation.

If you read the sheet that comes with the board, and look at the silkscreen
on the board, you will realize that space was allowed for all 3 of 18 pin,
28 pin and 40 pin sockets.

Only an 18 pin socket is supplied with the board.

If you wish to program all of the various parts, you should buy a 40 pin
"wide" (e.g. Aries) ZIF socket and solder that to the board instead of the
18 pin socket. You will then be able to program any of the 18, 28 or 40 pin
chips by inserting them in the specified positions on the 40 pin ZIF socket.

You could also use a cheaper, ordinary 40 pin socket, but you will have
great difficulty inserting and removing the large chips from it. A ZIF is
really necessary for 28 and 40 pin chips. It also works better for even the
18 pin chips.

================================================================
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS  e-mail: ralspamKILLspamlcfltd.com
Least Cost Formulations, Ltd.            URL: http://lcfltd.com/
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2001\03\22@201130 by Randy Glenn

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The regular P16PRO schematic doesn't contain the circuitry for the
40/28 pin version. Look for something mentioning the P16PRO40, or
look at the info for Kit 96 at http://www.dontronics.com

- -Randy Glenn

This coming from the guy with a system tray 10 icons wide... by 2
tall... yes, I am insane ;)
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- {Original Message removed}

2001\03\23@020109 by Nigel Goodwin

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In message <EraseME3.0.6.32.20010322182951.009e7210spam_OUTspamTakeThisOuTpop2.sympatico.ca>, Gilles
Auger <gaugerspamspam_OUTSYMPATICO.CA> writes
>Hi
>
>I am looking at the P16pro schematic. and i only find a 18 pin socket for
>the pic,
>
>when they claim support for 28 and 40 pin device like the 16f876 and 16f877.
>
>How can you explain the difference between the schematic and the
>documentation.

There's another circuit called P16PRO40!.
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2001\03\25@124849 by mmucker

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> The regular P16PRO schematic doesn't contain the circuitry for the
> 40/28 pin version. Look for something mentioning the P16PRO40, or
> look at the info for Kit 96 at http://www.dontronics.com
>
> - -Randy Glenn
>

Huh?

The circuitry for the 8, 18, 28, and 40 pin devices is all the same.  The
difference is which pin gets which signal.

I found a 'kit' of this programmer at the local electronics shop.  As
someone else mentioned, it came with 3 sockets, and silscreen for them.
Instead, I purchased a 40-pin ZIF socket.  To program my 18 pic PICs, I put
the chip in the bottom of the socket, so that pin 9 of the chip is in pin 20
of the socket.  The circuit board has traces to deliver the signals to the
appropriate pins for different size chips.

Maybe http://www.picall2.com has more concrete information.  (My PCB is mounted on
a stand so I can't see the traces.  Obviously, 40-pin PICs use the whole
socket.  8 pin PICs put pin1 on pin3, 28 pin PICS put pin1 on pin1, and my
18 pin PIC goes at the bottom of the socket.)

-Matt

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2001\03\25@132353 by Randy Glenn

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There are two different schematics for the P16PRO: one with the
connections for an 18-pin socket, and one with the connections for
8-, 18-, 28- and 40-pin sockets. The latter one is the one that
appears to be the most common - DIY Kit #96 (There is a kit of the
18-pin version).

The GIF schematic posted to the PICALL website seems to be for the
18-pin version - which was, I beleive, the source of the initial
confusion for Gilles Auger. The PDF schematic is for the version that
handles PICs up to 40 pins - the Kit 96 version.

- -Randy Glenn

If you have to ship styrofoam, what DO you pack it in?
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- {Original Message removed}

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