该程序是基于51

代码说明：

该程序为基于51单片机的接口和片外应用的代码，在设计51单片机时可供参考，代码包括RS232通信、I2C、SPI、单总线、CAN总线、键盘、LED、LCD、AD/DA等应用。各工程在Keil调试通过，喜欢的朋友可供参考。-The program is based on the 51-chip microcontroller interface and application code, in the design of microcontroller 51 when the reference code, including RS232 communication, I2C, SPI, single-bus, CAN bus, keyboard, LED, LCD , AD/DA applications. Keil debugging the project passed, like a friend for reference.