完整的控制ｎａｎｄ读写的ｖｈｄｌ程序模块，包含了无缝连接的ｅｃｃ校验程序，非常值得学习借鉴-NAND read and write complete control of the VHDL program modules, including the seamless connection of ecc checking procedures, very worthwhile to learn from