> Having just brushed up on my knowledge of the MCLR input, I'm now worried
> that I should have implemented an RC reset in my last PIC -based product
> rather than connecting it straight to Vdd: there is a lot of capacitance
on
> the 5V rail in that circuit. Am I likely to run into trouble in practice?

The trouble is a current source *independent* from Vcc, that would try to
'power' the PIC via a path that is not up to such a current. So tying it
directly to Vcc or Gnd is no problem, but a cap *is* a problem, so in that
case use a resistor between the cap and the MCLR.

Wouter van Ooijen

Van Ooijen Technische Informatica: http://www.voti.nl
Jal compiler for PIC uC's:  http://www.voti.nl/jal
PICs kopen? http://www.voti.nl/shop

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