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Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the function of the GATE pin in the 8254?
💡 Hint: Think about how the timer starts counting.
Question 2
Easy
How many independent counters does the 8254 timer have?
💡 Hint: Remember the key features of the 8254.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does the 8254 timer use to determine its operation mode?
- Control Word
- Mode Selector
- Incremental Register
💡 Hint: It’s the key to configuring the timer.
Question 2
True or False: The GATE pin on the 8254 timer must be low to start counting.
- True
- False
💡 Hint: Consider what happens when the GATE is low.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You have a clock frequency of 1.5 MHz and need to generate a delay of 200 ms. What should be the initial count, and what control word would you configure?
💡 Hint: Pay attention to the clock frequency limits of the timer.
Question 2
For a 20 kHz square wave, what is the control word required if using a 1 MHz clock? Provide calculations.
💡 Hint: Ensure the count fits the binary limits of the counter.
Challenge and get performance evaluation