首先介绍I2C总线的的一些基本知识：特点、结构、原理、控制时序、与单片机的接口方法等。最后通过一个实例实现模拟I2C接口。-First of all I2C bus introduce some basic knowledge of: characteristics, structure, principle, control timing, and MCU interface methods. Finally, through an example of analog implementati

本资料可以用于430G2553单机通信实验的练习，iic通信模拟方式以及硬件方式进行，可以与芯片进行通信。-This information can be used in stand-alone communication experiment 51 exercises, iic communication analog manner, you can communicate with the chip.

不用STM32，STM8等的硬件I2C，而用软件模拟I2C，源代码