Q:

How to reduce interrupt latency?

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How to reduce interrupt latency?

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Answer:

The interrupt latency depends on many factors, some factors I am mentioning in the below statements.

  • Platform and interrupt controller.
  • CPU clock speed.
  • Timer frequency
  • Cache configuration.
  • Application program.

So using the proper selection of platform and processor we can easily reduce the interrupt latency. We can also reduce the interrupt latency by making the ISR shorter and avoid to calling a function within the ISR.

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