Interrupt Service Routine(ISR)
A program that is executed on interrupt after saving necessary parameters on to the stack so that the same can be retrieved on return from the routine last instruction. An ISR is also called a device driver when it services a device interrupt.
A program that is executed on interrupt after saving necessary parameters on to the stack so that the same can be retrieved on return from the routine last instruction. An ISR is also called a device driver when it services a device interrupt.
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