July 2025
Beginner
528 pages
13h 18m
English
Content preview from The Microprocessor
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CHAPTER 11SysTick and Core Interrupts
11.1 INTRODUCTION
An interrupt gets triggered on receiving an interrupt request (IRQ) signal from an input/output (IO) port, when an IO device requires processor's attention. Since the interrupts originate from the external world, interrupt timing is entirely governed by activities happening outside the microprocessor. An interrupt could occur at any moment – it could be in the middle of a complex computation or while updating ...
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