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
> 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:
>
> > 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
>