Brent Brown wrote:
>> > Jinx,
>> >
>> > I noticed that you do not have a series resistor into the
>> > MCLR pin when using a capacitor like Mchip suggests.
>> > Not sure I actually understand their reasoning on this
>> > anyway, any comments?
>>
>> I've never used a series R. My usual is 10k to 5V, 10n ceramic
>> to 0V. If the circuit requires a manual reset, then a pushbutton
>> switch + 100R is across the 10n
>>
>> Microchip say in the manual "series resistor of 100 to
>> 1000 ohms to limit any current flowing into Mclr from
>> external capacitor in the event of an Mclr breakdown
>> due to ESD or EOS"
>>
>> I always assumed that if Mclr had broken down that was
>> the end of the chip. Yes ? No ? If Mclr has fried, who knows
>> what else has
>
>Yeah, one of those useless paragraphs that intends to communicate
>some important piece of information but doesn't. Maybe the cap can
>discharge into MCLR when Vdd drops and cause some damage?
>Who knows.
>
>Brent Brown


Brent, BOTTA-BINGO!!! See my previous msg on this subject.

- dan
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