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The memory map of a microcontroller is

  • A.the assignment of address ranges to memory and peripheral registers
  • B.the list of machine instructions the particular processor is able to execute
  • C.the layout of the memory cells within the silicon die
  • D.the record of which memory locations the program has written

Answer: A

Reading a datasheet's memory map tells you where flash, RAM and each peripheral's registers appear, which is the first thing needed to write any driver. Two devices with the same core and different maps need different code.

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