Practice Intel 8255 Programmable Peripheral Interface (ppi) (1.2) - Parallel I/O Interfacing with 8085 (8255 Programmable Peripheral Interface)
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Intel 8255 Programmable Peripheral Interface (PPI)

Practice - Intel 8255 Programmable Peripheral Interface (PPI)

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does PPI stand for?

💡 Hint: Think about what a peripheral interface does.

Question 2 Easy

Name one mode of operation of the Intel 8255.

💡 Hint: Consider the fundamental modes explained.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the main function of the 8255 PPI?

To enable serial communication
To interface with parallel devices
To function as a memory mapper

💡 Hint: Consider what parallel communication entails.

Question 2

True or False? The control word format consists of 8 bits that configure the operational modes of the 8255.

True
False

💡 Hint: Reflect on how configuration works in digital devices.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a system using the 8255 to control a 4x4 matrix keyboard and explain the configuration.

💡 Hint: Consider how the rows and columns interact in a matrix setup.

Challenge 2 Hard

Explain the process to set up communication between the 8085 microprocessor and the 8255 for a scenario where multiple peripherals are involved.

💡 Hint: Think about how the microprocessor addresses different devices.

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Reference links

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