本程序代码是在IAR环境中运行，核心芯片是LPC2103,LPC2103支持两个IIC总线接口，IIC总线接口可以用来传输数据，更可以用来保存上次掉电时的数据。-This code is in the IAR environment, the core chip LPC2103, LPC2103 supports two IIC bus interface, IIC bus interface can be used to transfer data, but also can be used