Discussion
Consider the following statements about selecting a microcontroller.
1. A faster clock always gives more work done per second 2. Flash and RAM should be sized with headroom for later changes 3. Package choice affects how the board can be assembled
Answer: D
Headroom and package are both correct and both routinely underestimated. Clock rate alone says nothing about work done: cycles per instruction, memory wait states and the pipeline all intervene, which is why benchmarks exist.
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