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PICList Thread
'Code reading'
1999\01\07@230145 by John and Elaine Schenk

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I have found a PIC16C54A in a circuit. I am curious to know how to read the
coding that is on it. Is there any easy and inexpensive way to do this? The
circuit is from a spark advance system for a 2 cycle engine. I have a hunch
that the code protect may be enabled, therefore any chances of obtaing the
code me be out the window. I would like to make an attempt however.

               Thanks
                               A

1999\01\08@113903 by andre

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John,

my experience shows that most people that wants to read
code protected pic is a beginner. if you are not a beginner why
do not you study little more and write the code your self if you are
a beginner then buy some good books and study I am sure in couple of years
you can write your own code. maybe I am wrong.

Andre Abelian



John and Elaine Schenk wrote:

> I have found a PIC16C54A in a circuit. I am curious to know how to read the
> coding that is on it. Is there any easy and inexpensive way to do this? The
> circuit is from a spark advance system for a 2 cycle engine. I have a hunch
> that the code protect may be enabled, therefore any chances of obtaing the
> code me be out the window. I would like to make an attempt however.
>
>                 Thanks
>                                 A

1999\01\08@164600 by Keith M. Wheeler

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Andre:

My experience shows that most folks who want to reverse
engineer engine control systems are hot rodders, and they
probably are looking for more HP.  Gearheads tend to be
very hands on, but don't want to spend years "re-inventing"-
they want to go fast, and get there fast.  Admittedly I'm
making an assumption as to the intentions of the original
poster.

This brings up something--anyone using PICs in any kind of
automotive control system?  I dinked around with PIC controlled
ignition, and aspire to do something to replace the aging
analog ECUs in certain L-jet systems--particularly the Triumph
TR-8/Rover SD1 injection of the late '70s-early '80s. They
are beginning to fail, and replacements aren't cheap.


John:

It's probably code-protected.  It may not be, you could try and
read it.  You'll probably have a lot more luck trying to characterize
the operation of the system.

-Keith Wheeler
ARMA Design                             http://www.ARMAnet.com/

At 08:18 AM 1/8/99 -0800, Andre Abelian wrote:
{Quote hidden}

1999\01\08@195028 by Scott Shidel...

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On Fri, 8 Jan 1999, Keith M. Wheeler wrote:

> This brings up something--anyone using PICs in any kind of
> automotive control system?  I dinked around with PIC controlled
> ignition, and aspire to do something to replace the aging
> analog ECUs in certain L-jet systems--particularly the Triumph
> TR-8/Rover SD1 injection of the late '70s-early '80s. They
> are beginning to fail, and replacements aren't cheap.

Well, speaking of reinventing the wheel:)
If its just a N/A relatively low performance engine, alot of times you can
just swap the EFI system over from another car. Bosch injectors can
usually be swapped over from motor to motor, and the other sensors are the
same.
My freind has a 82 VW Rabbit pickup with K Jetronic with Lambda.  Since we
put the turbo on it, detonation has been hampering the total hp output,
keeping us at about 160hp(was like 75 or so stock:)
To give it more fuel, we are just going to put an EFI head on it so we can
use EFI injectors instead of the CIS ones, and use a turbo computer of a 4
cylinder ford.  After making an adaptor plate to run the Ford throttle
body(cis has no throttle position sensor), everthing else will screw in to
make it work.


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------------------------------------------------------------------------

1999\01\08@221758 by Fansler, David

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David V. Fansler
Network Administrator
AutoCyte, Inc.
336-222-9707 Ext. 261
spam_OUTdfanslerTakeThisOuTspamautocyte.com
Now Showing! http://www.mindspring.com\~dfansler\


               {Original Message removed}

1999\01\11@032904 by MRJONES

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The artical is on-line at

http://spbted.gtri.gatech.edu/hpe/ddis.html

It was down at 8:00 this morning, but I did visit it quite recently.

Regards

Mike Rigby-Jones
.....mrjonesKILLspamspam@spam@nortelnetworks.com

{Quote hidden}

                       <snip>

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