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- Interrupts are used in microcontrollers for the following reasons12345:
- To address the problem of the microcontroller constantly checking the status of other devices, which consumes processing time.
- To allow the microcontroller to respond only when an interruption occurs.
- To reduce the load on the microcontroller by avoiding constant polling.
- To enable the microcontroller to handle events regardless of its current processing state.
- To facilitate precise timing and ease of code modification.
Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.The microcontroller keeps checking the status of other devices; and while doing so, it does no other operation and consumes all its processing time for monitoring. This problem can be addressed by using interrupts. In the interrupt method, the controller responds only when an interruption occurs.www.tutorialspoint.com/embedded_systems/es_int…An interrupt is an external or internal event/command that interrupts the normal processing of an event and informs the microcontroller that a device needs its service. Whenever a device needs its service, the device sends an interrupt signal to the microcontroller to send a notification.www.geeksforgeeks.org/microcontrollers-8051-inte…Generally speaking, interrupt is a special signal for a microcontroller. It is being sent by software or hardware and requires immediate attention. The advantage of such an approach, in general, is the reduction of the load on the microcontroller, which doesn't have to always check whether the event occurred or not (see polling).bletvaska.gitbooks.io/advanced-iot-applications/co…Interrupts are a mechanism which enables MC to respond to some events, regardless of what MC is doing at that time. Each interrupt changes the program flow, interrupts it and after executing an interrupt routine, it continues from that same point on.www.philadelphia.edu.jo/academics/kaubaidy/uplo…If you’re planning on counting instructions or adding NOPs to your code to get precise timing, you’ll need to learn about interrupts. You’ll find that they not only make it easier to write your code the first time, but — when you have to change the timing of your project — they will really save you time and headaches.www.nutsvolts.com/magazine/article/confidently_u… - People also ask
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