ARM cortex

代码说明：

ARM cortex-M3系列处理器的代码，包括通用输入输出GPIO、模数比较器ADC、模拟比较器COMP。（IAR环境工程）-ARM cortex-M3 family of processors code, including general-purpose input-output GPIO, modulus comparator ADC, analog comparator COMP. (IAR Environmental Engineering)