Practice Modes of Operation (8255) - 4.3.2 | Module 4: Interfacing with Essential Peripherals | Microcontroller
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4.3.2 - Modes of Operation (8255)

Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is Mode 0 used for?

💡 Hint: Think about applications involving direct control with no coordination.

Question 2

Easy

What does handshaking mean?

💡 Hint: Consider how communication happens in a dialogue.

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

Which mode provides handshaking signals for data transfer?

  • Mode 0
  • Mode 1
  • Mode 2

💡 Hint: Think about which mode focuses on synchronization.

Question 2

True or False: The 8255 PPI allows input and output operations only through Mode 0.

💡 Hint: Think about the available modes we've discussed.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

You are tasked with interfacing a printer using Mode 1 on the 8255. Describe the necessary control signals and their roles in the operation.

💡 Hint: Think about how printers manage data transfer based on their capabilities.

Question 2

Using the 8255 in a new project, you decide to employ Mode 2 for two microprocessors to communicate. What considerations must be taken into account regarding signal management?

💡 Hint: Examine how bidirectional data flow can complicate the communication between two processors.

Challenge and get performance evaluation