Practice 8254 Pin Description (Key Pins) - 1.4.1 | EXPERIMENT NO. 5 TITLE: Interrupt Handling and Timer Interfacing (8085/8086 Microprocessors with 8253/8254 Timer) | Microcontroller Lab
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does the D0-D7 pin on the 8254 represent?

💡 Hint: Think about where data travels from and to.

Question 2

Easy

How does the CS pin function?

💡 Hint: Consider how devices are selected to operate.

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 CS pin do on the 8254?

  • Activates timer for communication
  • Sets counting mode
  • Resets the timer

💡 Hint: Consider which pin is essential for operation.

Question 2

The D0-D7 pins are:

  • True
  • False

💡 Hint: Remember what D0-D7 signifies.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a simple circuit using the 8254 Timer to generate a square wave at 1 kHz. Identify which pins would be used.

💡 Hint: Remember the formula for frequency and the maximum count of the timer.

Question 2

Explain how you would use the 8254 to create a timer that generates a pulse every 500 milliseconds using an external clock of 2 MHz.

💡 Hint: Considering how frequency relates to time and recall how to determine the initial count.

Challenge and get performance evaluation