Practice Interrupt Service Routine (isr) (3.2.3) - Microcontroller - Serial Communication and Interrupts
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Interrupt Service Routine (ISR)

Practice - Interrupt Service Routine (ISR)

Learning

Practice Questions

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Question 1 Easy

What is the purpose of an ISR?

💡 Hint: Think about what happens after an interrupt occurs.

Question 2 Easy

Name one type of interrupt found in the 8051.

💡 Hint: Consider what events can trigger interrupts.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does ISR stand for?

Immediate Service Routine
Interrupt Service Routine
Interrupt System Response

💡 Hint: Think about what happens when an interrupt occurs.

Question 2

True or False: Timer interrupts can be used for periodic tasks.

True
False

💡 Hint: Consider how timers are often used in embedded systems.

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Challenge Problems

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Challenge 1 Hard

Design a microcontroller system that utilizes both external and timer interrupts to manage an automated irrigation system.

💡 Hint: Consider how real-world sensors can trigger events in the system.

Challenge 2 Hard

Write a detailed pseudo-code for an ISR that manages a countdown timer using the 8051.

💡 Hint: Focus on how to use the timer interrupt to control a state machine.

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Reference links

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