针对STC12xx整个系列EEOPROM操作的一个头文件，含有读、写、擦除3个函数共用户调用，使用方便，比如写函数（n，x，dat），在第n扇区，第x字节，写入数据dat。-STC12xx operation for the entire series EEOPROM a header file, containing read, write, erase three functions of the user calls, easy to use, such as writing a function (n, x, dat), the n-th sector, the first x bytes, write dat.