C8051系列单片机内部没有EEPROM,但可以通过其内部的FLASH来替代EEPROM，此程序就是实现这功能，很有项目实用价值。-C8051 Series MCU internal without EEPROM, but can be by its internal FLASH instead of EEPROM, this procedure is to achieve this function, is a project practical value.