通过KEIL ARM suite进行对STM32F103CB处理器进行编程，虽然这种处理器仅仅是利用了管脚的推挽式的接口，但是确可以为了进行ARM外围接口的编程奠定基础，原理很简单，但是可以对cortex技术有初步的了解-By KEIL ARM suite for programming of STM32F103CB processor, although this is only the use of a processor pin push-pull interface, but can c