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Interrupt pending bits - what they are for?

Question asked by obid.matic on Dec 20, 2015
Latest reply on Dec 21, 2015 by obid.matic
If you have EXTI interrupt enabled, do you need to clear also pending bit in NVIC registers, when interrupt occurs? Or is it enough to clear bit in EXTI_PR register? I don't really understand what those pending bits in NVIC registers are for.

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