> -----Oorspronkelijk bericht-----
> Van: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] 
> Namens Roger Weichert
> Verzonden: donderdag 13 augustus 2009 15:35
> Aan: Microcontroller discussion list - Public.
> Onderwerp: Re: [PIC] Advise on replacing an obsolete micro with a
PIC
> 
> Hi Jinx,
> 
> 
> And also the supply. From the data sheets I see that 5.6 
> volts is too high.
> 
> I may just be showing my ignorance  ...  but if this other 
> microcontroller has worked for 20 years with such a crude 
> supply (5.6volt zener and a cap), is it possible that a 5 
> volt shunt regulator could be used  ..  (is there such a 
> thing?) ... to keep it safe.

Or just a simple diode in series. There wil be a 0.6 volt drop
Over the diode resulting in 5 Volt
> 
> 
> Hi Thomas,
> 
> You suggested a PIC18F1320  ...  any particular reason?
> 
> 
> Thanks again guys,
> 
> Regards,   Roger
> 
> 

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