Ismael Ripoll wrote:
>
>         I'm trying to adapt the 16c84 programmer (described in
> the Microchip's application note AN589) to program the 16c73,
> but it doesn't work.

The required algoritm to program the 16C84 and 16C73 are diferent,
the 84 need a 100ms programming pulse and the 73 need a serie of
short pulses.

Why don't you just pick my programmer in my home page?

Octavio

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Octavio Nogueira
   e-mail:   nogueira@mandic.com.br
 homepage: http://ourworld.compuserve.com/homepages/tato
voice/fax: +55 11 240-6474
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