实现对型号为K9F2G08U0A 的NAND FLASH的访问，包括对chip ID全部信息的获取（经过修改现已可以获取5个信息），快擦出，块读写，坏块标记等特性。-Realization of model K9F2G08U0A access NAND FLASH, including all the information on the chip ID of the acquisition (revised information now can get 5), struck fast, block read and write, bad block mark and other features.