Practice - I/O Ports (P0, P1, P2, P3)
Practice Questions
Test your understanding with targeted questions
What is the primary function of Port 1?
💡 Hint: Think about how we use it with switches and LEDs.
Which port requires external pull-up resistors?
💡 Hint: Remember the function of Port 0 as both I/O and for memory.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is Port 0 primarily used for?
💡 Hint: Recall the description of Port 0 from our lesson.
True or False: Port 1 has open-drain outputs.
💡 Hint: Consider how we connect devices to each port.
1 more question available
Challenge Problems
Push your limits with advanced challenges
What complications could arise if you try to send data using Port 0 without proper pull-up resistors?
💡 Hint: Think about the electrical implications of not providing a stable high signal.
Design a simple circuit using Port 3 to handle external interrupts that turn on an LED connected to Port 1 when a button connected to P3.2 is pressed.
💡 Hint: Consider how to use Port 3's interrupt capabilities in your design.
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Reference links
Supplementary resources to enhance your learning experience.