24c02是一种E2PROM，用在单片机内部来存储和读取数据，本程序为24c02的驱动程序，留有外接程序接口，可以直接调用-24C02 is an E2PROM, single-chip microcomputer used in-house to store and read data, the procedure for the 24C02 driver, had an external program interface, you can directly call