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The Definitive Guide to the ARM Cortex-M3 by Joseph Yiu

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CHAPTER 17 Getting Started with Cortex-M3 Development

Choosing a Cortex-M3 Product

Aside from memory, peripheral options, and operation speed, a number of other factors make one Cortex-M3 products different from another. The Cortex-M3 design supplied by ARM contains a number of features that are configurable, such as:

  • Number of external interrupts
  • Number of interrupt priority levels (width of priority-level registers)
  • With MPU or without MPU
  • With ETM or without ETM
  • Choice of debug interface (Serial-Wire, JTAG, or both)

In most projects, the features and specification of the microcontroller will certainly affect your ...

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