通用的IIC总线时序控制程序，解析了IIC总线协议的最核心部分，实际使用的时候根据不同的器件来进行应用扩展，程序中附带了扩展示例。-IIC Bus Timing common control procedures, analysis of the IIC bus protocol, the core part of the actual use of the device when carried out according to different application expansion, the program included the expansion of the sample.