David VanHorn | 12 May 23:21

Re: [PIC] CCP1 Glitches in noisy environment (RC Tx)

> Otherwise, could the RF be getting back into the chip via an
> unprotected pin. Do you have ferrite beads / caps on all input (&
> possibly output ?) pins if the RF level is so high? Once the
> protection diodes start conducting all sorts of strange things can
> happen.

If the field is strong enough, diodes will start to rectify the RF and
can give you spurious inputs like RESET.
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Gmane