Practice Interfacing 8255 With 8085 (1.4) - Parallel I/O Interfacing with 8085 (8255 Programmable Peripheral Interface)
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Engineering Courses
Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Certifications
Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

Interfacing 8255 with 8085

Practice - Interfacing 8255 with 8085

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the purpose of the 8255?

💡 Hint: Think about device communication.

Question 2 Easy

What do the D0-D7 lines of the 8255 connect to?

💡 Hint: Consider the role of data lines in communication.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the main function of the 8255?

To perform arithmetic operations
To interface with peripherals
To run programs

💡 Hint: Think about the roles of different microcontroller devices.

Question 2

True or False: The Control Word is optional to send before operations.

True
False

💡 Hint: Reflect on the setup process we discussed.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

You have an 8255 with a base address of 90H. Determine the addresses for Port A, B, C, and the Control Word. Explain how you would set up the CS signal.

💡 Hint: Consider how addresses increment and how to decode them.

Challenge 2 Hard

Design a small program to configure the 8255 for Mode 1 and handle handshaking for a device. What would be critical considerations?

💡 Hint: Think about how signals coordinate in a real-time application.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.