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Each peripheral has an interrupt line?(a) True(b) FalseI have been asked this question by my college professor while I was bunking the class.This key question is from Microcontroller (ARM 7- Pipelining) in section Prototyping Embedded Devices of IOT

Answer»

The correct answer is (a) True

To explain I WOULD say: Each peripheral device has one interrupt line connected to the Vectored Interrupt CONTROLLER, but may have SEVERAL internal interrupt flags. Individual interrupt flags may ALSO REPRESENT more than one interrupt source.



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