Interrupt Service Routine

Views Updated: Dec 15, 2025

Key Facts

Abbreviation
ISR
Pronunciation
/ˌɪntərˈəpt ˈsərvɪs ruˈtin/
Category
Computing
Related Field
Assembly

Examples in Context

  1. The amount of time between the assertion of an interrupt and the start of the associated interrupt service routine.
  2. Aim Objective : To master the timer T0, T1 of the mode selection and programming methods, to understand the design method of the interrupt service routine, and learn skills in real-time debugging.
  3. The address of an interrupt service routine.
  4. It also registers an interrupt service routine's address to service interrupts generated when wireless data is sent or received.
  5. When the interrupt service routine exits control of the processor is returned to whatever part of the software was previously running.

Other meanings of ISR