Cortex-M3

Cortex-M3, cost down的ARM7TDMI
但是在Cortex-M3 和 ART7TDMI的比較發現到雖然Cost Down, 可是功能卻比ARM7TDMI優。不論是code size, cost, die footprint, power consumption, performance, 而且還多了一個Nested Vectored Interrupt Controller.

ARM Cortex-A Series: Applications processors for complex OS and user applications
ARM Cortex-R Series: Embedded processors for real-time systems
ARM Cortex-M Series: Deeply embedded processors optimized for microcontroller and low-cost applications