此程序用于检测EEPROM性能，测试方法如下：写入24c02一些数据，然后在内存中清除这些数据， 掉电后主内存将失去这些信息，然后从24c02中调入这些数据。看是否与写入的相同。-This procedure is used to detect EEPROM performance, test methods are as follows: Write 24c02 some data, and then remove the data in memory, power down the m