    }
    #[doc = "Undefined Behaviour. Probably unmasks the Power Down event."]
    #[inline(always)]
    pub fn undefined(self) -> &'a mut W {
        self.variant(M4S0_PD_EVENT_MASK_A::UNDEFINED)
    }
    #[doc = r"Sets the field bit"]
    #[inline(always)]
    pub fn set_bit(self) -> &'a mut W {