> > My question is - if Mclr has already broken down, what's the
> > point of protecting it ? 
> 
> A breakdown with minimal current (limited by the resistor) will
> do no damage, an unlimited current (capacitor directly on the
> /MCLR pin) possibly will.

Have I misinterpreted Microchip's term "breakdown" for "failure" ?

If not, exactly what do they mean by "breakdown" ?

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