Practice - 8254 Internal Addressing
Practice Questions
Test your understanding with targeted questions
What is the base address for accessing Counter 0 in the 8254?
💡 Hint: Recall the addressing of the 8254 based on the base address.
How many bits are there in the control word for the 8254?
💡 Hint: Consider how many bits are needed to configure various settings.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the purpose of the Control Word Register in the 8254?
💡 Hint: Think about the initialization of device configurations.
True or False: The 8254 can operate in both binary and BCD counting modes.
💡 Hint: Recall the types of counting methods mentioned.
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Challenge Problems
Push your limits with advanced challenges
If you want to set up the 8254 to generate a 2kHz signal using a 1 MHz clock, what initial count must you load into the timer?
💡 Hint: Recall the formula for converting clock frequency to output frequency.
Given that you have to configure Counter 1 in Mode 1 for a one-shot pulse of 100ms with a 1MHz input clock, detail the steps and the control word used.
💡 Hint: Break down the control word format to ensure accurate configuration.
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Reference links
Supplementary resources to enhance your learning experience.