基于xilinx ISE环境开发的VHDL的NAND flash ECC 实现,eccGen256Byte 文件夹为ECC 产生程序，EccErrLoc文件夹为ECC错误定位程序。-Xilinx ISE environment based on the development of VHDL the NAND flash ECC to achieve, eccGen256Byte folder produced for the ECC procedures, EccErrLoc folder l