FAT12文件系统驱动，C语言编写的驱动，适用于容量小于8M的存储器使用；已经写好了创建，查找、删除等函数，其中还有关于SD卡协议及FAT16的结构介绍；-FAT12 file system drive, C language driver for the use of memory capacity is less than 8M　has written to create, find, delete and other functions, which are on the SD card FAT16 protocol and the structure of introduction