通过CPLD将8位并行数据转换为串行数据并可以采用I2C方式与其他器件连接，可以用于MCU需要与提供I2C接口器件通信的场合。-through CPLD to eight parallel data into serial data and methods can be used I2C connections with other devices, which can be used to provide MCU with I2C Interface Communications occasi