Practice Memory-mapped I/o (8.5.1) - Timer, GPIO, and 7-Segment Peripherals

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6 sample questions

Question 1.
What is Memory-Mapped I/O?
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Think about how devices are treated by the CPU.
Question 2.
Name one benefit of using Memory-Mapped I/O.
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Consider the programming aspect.
3Question 3.
What does Memory-Mapped I/O involve?
- Accessing devices through memory addresses
- Direct interrupt handling
- Using network protocols
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Think about how the CPU interacts with peripherals.
4Question 4.
True or False: Interrupts are essential in Memory-Mapped I/O for notifying the CPU of peripheral events.
- True
- False
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Consider what happens when a timer expires.
Question 5.
Design a simple embedded system using Memory-Mapped I/O to control a lighting array and a temperature sensor. Explain the interactions.
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Consider how each device interacts through its mapped address.
Question 6.
Evaluate the performance trade-offs of using Memory-Mapped I/O versus Port-Mapped I/O in a high-speed application.
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Think about speed versus control in a busy environment.

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