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PICList Thread
'Help with PIP-02 programmer'
1999\05\31@061445 by Vincent Deno

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Hello again,

I'm in desparate need of help here.  I've build the PIC programmer found
on the following page:

http://www.gbar.dtu.dk/~c888600/newpics.htm

It's a "simple" serial-port programmer but I can't get it to work.  I've
tried downloading multiple copies and versions of the programs and the
serial port drivers, using different computers, double-checked the
circuit, etc... to no avail.

I'm trying to program a 16C71.  The machines here at the lab are running
Windoze 98 (yes, I've tried DOS mode too).  It "pretends" to read
correctly.  It also seems to try to actually program the EEPROM, but it
always fails to program the fuses.

This is for a school project whose deadline is getting very close.  Any
help would be greatly appreciated.

Right now, I'm not even concerned about using this programmer
specifically.  If anyone has any ideas as to how to easily program a 16C74
w/o access to a REAL programmer, I'm all ears.

-Vincent Deno

1999\05\31@062933 by Stuart O'Reilly

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Yeh, I've had a similar problemusing pip02 to program a 16c73a using a
programer from DonTronics, I kept getting a fail message as well. After a
while i decided to just keep hitting the program button until it came up with
no errors. At this point in time it takes me about 7 tries (one after the
other)before it finally comes up and says it has programed correctly. The only
problem i have at the moment is that i can't program the oscillator fuse, it
stays set to rc regardless of what i do.

Regards
Stuart O'Reilly

Vincent Deno wrote:

{Quote hidden}

1999\05\31@073448 by Vincent Deno

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Hmmm...  not what I was hoping to hear.

Does anyone know if the programming algorithms are the same for the 16C84
and the 16C71?  I'm very tempted to try this approach because I've seen a
lot of easy programmers out there for the 16C84.


Regards,
Vincent Deno


> Yeh, I've had a similar
problemusing pip02 to program a 16c73a using a
{Quote hidden}

1999\05\31@214307 by Jim Robertson

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At 07:33 31/05/99 -0400, you wrote:
>Hmmm...  not what I was hoping to hear.
>
>Does anyone know if the programming algorithms are the same for the 16C84
>and the 16C71?  I'm very tempted to try this approach because I've seen a
>lot of easy programmers out there for the 16C84.

>
>Regards,
>Vincent Deno


They are NOT compatible. Never try to program a '71 with the 'C84 algorithm.


Jim



________________________________________
Email: spam_OUTnewfoundTakeThisOuTspampipeline.com.au
http://www.new-elect.com
WARP-3 SALE now on. $48USD with world delivery.
MPLAB compatible PIC programmers and firmware
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________________________________________

1999\05\31@230809 by Sean Breheny

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However, the HARDWARE, as far as I know, IS the same, except the VPP must
be able to supply some current (I don't know exactly, but I guess a few 10s
of mA anyway).

Sean

At 11:49 AM 6/1/99 +1000, you wrote:
{Quote hidden}

| Sean Breheny
| Amateur Radio Callsign: KA3YXM
| Electrical Engineering Student
\--------------=----------------
Save lives, please look at http://www.all.org
Personal page: http://www.people.cornell.edu/pages/shb7
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'Help with PIP-02 programmer'
1999\06\01@063103 by Caisson
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> Van: Vincent Deno <.....denovjKILLspamspam.....EMAIL.UC.EDU>
> Aan: EraseMEPICLISTspam_OUTspamTakeThisOuTMITVMA.MIT.EDU
> Onderwerp: Re: Help with PIP-02 programmer
> Datum: maandag 31 mei 1999 13:33

Hello Vincent,

> Hmmm...  not what I was hoping to hear.
>
> Does anyone know if the programming algorithms are the same for the 16C84
> and the 16C71?  I'm very tempted to try this approach because I've seen a
> lot of easy programmers out there for the 16C84.

No, they are not.  A 16x84 has got E-EPROM memory, that does only need a
Start-programming command.  the 16x7x are EPROM (notice the emissing first
"E") versions, that need a Start _AND_ Stop programming command, with a
maximum distance of about 10 mSec.  And because a (Windows) PC can't
reliable time this (to the outside-world), intelligent external hardware
(like the PicStart+) has to be used.

Greetz,
 Rudy Wieser

1999\06\01@183406 by Sean Breheny

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I know the algorithms are different,but a PC can accurately time such a
delay. My MELabs EPIC  Programmer programs 16x7x's just fine and contains
no intelligence(only one IC, a 74xx series IC used as a buffer,I think it's
a 7407). It runs just fine under a Win95 DOS box and they have also
released a windows version of the software.

Sean

At 11:31 AM 6/1/99 +0200, you wrote:
{Quote hidden}

| Sean Breheny
| Amateur Radio Callsign: KA3YXM
| Electrical Engineering Student
\--------------=----------------
Save lives, please look at http://www.all.org
Personal page: http://www.people.cornell.edu/pages/shb7
KILLspamshb7KILLspamspamcornell.edu ICQ #: 3329174
________________________________________________________
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