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Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does GPIO stand for?
💡 Hint: Think about how a pin can act as either input or output.
Question 2
Easy
What is the purpose of the RCC register?
💡 Hint: RCC is about 'Reset' and 'Clock'.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the purpose of GPIO pins?
- Only for outputs
- To connect to sensors
- For input or output
💡 Hint: Remember that GPIO stands for General Purpose Input/Output.
Question 2
True or False: The IDR register is used for writing data to output pins.
- True
- False
💡 Hint: Recall the function of the IDR register regarding inputs.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a complete C program for STM32 microcontroller that reads a pushbutton state to toggle an LED using direct register access.
💡 Hint: Don't forget the internal pull-up for the button!
Question 2
Calculate the necessary setup if the pushbutton is active-high instead of active-low. What changes in the code?
💡 Hint: What happens if the logic is inverted?
Challenge and get performance evaluation