In SX Microcontrollers, SX/B Compiler and SX-Key Tool, VelocitąPaola wrote:

There are several kinds of interrupts.  Some are "software" based in that they are triggered by internal events (i.e. a timer rolling over), and others are hardware based in that they are triggered by an external event (i.e. a pulse on an I/O pin).  What makes an interrupt an interrupt is that they pull the microcontroller away, no matter what it's doing, to perform a set of tasks whenever one of these triggers occur.

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