Practice Key 8085 Pin Descriptions (1.2.2) - Introduction to 8085 Microprocessor - Architecture and Basic Operations
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Key 8085 Pin Descriptions

Practice - Key 8085 Pin Descriptions

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the function of the ALE pin?

💡 Hint: Consider what happens at the start of a cycle.

Question 2 Easy

Which pins are used for reading and writing operations?

💡 Hint: Think about the signals controlling data direction.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What do the AD0-AD7 pins do during a memory read operation?

Send 8-bit data only
Address 8-bit data
Multiplex address and data

💡 Hint: Consider their dual roles.

Question 2

The RESET IN signal is active when it is?

True
False

💡 Hint: Think about how signals typically behave.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given a scenario where the 8085 is interfacing with a memory chip, describe the sequence of actions involving the ALE, RD, and WR pins when writing data.

💡 Hint: Think step-wise through the process, considering each pin’s role.

Challenge 2 Hard

In a direct memory access scenario, explain the roles of the HOLD and HLDA pins in detail.

💡 Hint: Focus on the coordination between devices.

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Reference links

Supplementary resources to enhance your learning experience.