Practice 8255 Pin Description (Key Pins for 8085 Interfacing) - 1.2.2 | EXPERIMENT NO. 3 TITLE: Parallel I/O Interfacing with 8085 (8255 Programmable Peripheral Interface) | Microcontroller Lab
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the purpose of the D0-D7 pins?

💡 Hint: Think about how data is transferred.

Question 2

Easy

What does CS stand for?

💡 Hint: What signal enables the PPI for communication?

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 D0-D7 pin array provide?

  • Control signals
  • Data communication
  • Address selection

💡 Hint: Consider where data flows.

Question 2

True or False: The RESET pin sets all ports to output.

  • True
  • False

💡 Hint: Think about what 'reset' means.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a simple circuit diagram showing how to connect the 8255 to the 8085, labeling all key pins.

💡 Hint: Refer back to how the functional blocks interact.

Question 2

Explain what would happen if the RD signal goes low while CS is high.

💡 Hint: Consider the conditions required for a successful read operation.

Challenge and get performance evaluation