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arm cortex m0+ interrupts enable/disable

Question asked by Alex Leonte on Aug 25, 2015
Latest reply on Jun 29, 2017 by Wei Gao

Hi,

 

I was wondering what is the difference between this two methods for disabling interrupts

 

1.CPSID causes interrupts to be disabled by setting PRIMASK.

2.Disable all Device-specific interrupts writing in NVIC->ICER[0] + Disable System exceptions (example SysTick - timer and interrupt)

 

Thx,

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