实现了串行通信接口的全部功能，符合RS-232-C标准的完整UART模块源代码，中文注解，清晰易懂，经过严格仿真测试，绝对好用。-a serial communication interface of all functions, with RS-232-C standard UART modules complete source code, Chinese notes, lucid, after a rigorous simulation tests, absolutely useful.