此程序为24c02写和读程序，基于at89s52系统，可以方便一次写入多个字节，并且可以读取实现中间任意地址读取，只需更改写和读中间从地址即可-This program is 24c02 write and read procedure, based on at89s52 system that can facilitate multiple-byte write-once, and can be read to achieve the middle of any address read, simply change the write and read from the address below the middle of