Question
Asked Oct 22, 2019

What is the difference between hardware interrupts and software interrupts and give examples of situations where each is used.

 
 
 
 
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Step 1

Hardware interrupts:

  • The physical signals either from within the microcontroller itself or may be from an external GPIO configured as an interrupt are used to generate hardware interrupts.
  • A combination of control registers are used to configure hardware interrupts; mainly these registers specify hardware behaviour & interrupt masking. They allow interrupting enable or disable at any time.
  • This switch is used for hardware interrupts beca...

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