Practice Generating Square Waves Using Timers (mode 2 - Auto Reload) (3.4) - Microcontroller Fundamentals: 8051 Basic I/O and Timers
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Generating Square Waves using Timers (Mode 2 - Auto Reload)

Practice - Generating Square Waves using Timers (Mode 2 - Auto Reload)

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the equation to determine the THx value in Mode 2?

💡 Hint: Think about the maximum counts for an 8-bit timer.

Question 2 Easy

What does Timer 0 do in the 8051 microcontroller?

💡 Hint: Consider its functions related to timing.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is Mode 2 used for in the 8051 timers?

One-shot timer
Periodic events
Low power mode

💡 Hint: Remember the applications of different timer modes.

Question 2

True or False: TH0 needs to be explicitly reloaded every time Timer 0 overflows in Mode 2.

True
False

💡 Hint: Think about the key features of Mode 2.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a square wave generator program for Timer 0 in Mode 2 to create a 2 kHz square wave. Present your calculations for TH0.

💡 Hint: Make sure to track your calculations step by step.

Challenge 2 Hard

Why might an engineer choose interrupts over polling for handling timer events in an 8051 microcontroller application?

💡 Hint: Consider how each method impacts CPU workload.

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Reference links

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