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How to make the rising edge detection save when switching between run and LLStop modes?

Question asked by Martin Vonasek on Jun 6, 2014
Latest reply on Jun 20, 2014 by Bob Paddock

Using LLWU pins interrupts means to be still in a LLStop mode. In a run mode it doesn't work (LLWU speciality), so I have to detect it by another way (port detection or software scan). But what will happen, when I'm switching back to LLStop mode? At this moment I can't detect the rising edge by resources which are not functional under LLStop, and LLWU interrupt is not yet active. I see a system hazard in this situation. How should I solve this situation correctly??