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A part offering 1 MB of flash is chosen where 40 kB of code is expected. The most likely consequence is

  • A.an inability to place the vector table correctly
  • B.a longer erase time for the whole device
  • C.a reduction in the flash endurance figure
  • D.a needlessly high unit cost

Answer: D

Flash is a large fraction of a microcontroller's die area and therefore of its price, so paying for twenty-five times what is needed is money thrown away at any volume. Endurance and vector placement are unaffected by size.

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