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Explain the operation(s) performed by a return from an IRQ or FIQ interrupt procedure

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Electrical Engineering

Explain the operation(s) performed by a return from an IRQ orFIQ interrupt procedure

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3.7 Ratings (578 Votes)
Normal Interrupt IRQ or Fast Interrupt FIQ are exceptions which are generated by external hardware signals When an exception occurs ARM completes current instruction as best it can It departs from the current instruction sequence to handle the exception by performing the following steps 1 It changes the operating mode corresponding to the particular exception 2 It    See Answer
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