sparntan 3e中基于串行flash的读写操作-sparntan 3e serial flash-based reading and writing

对spi接口的flash操作，用VHDL语言实现，read，write，擦除的接口电路控制-Spi interface on the flash operation, with the VHDL language, read, write, erase controls the interface circuit

用VHDL语言编写对m25p16的驱动程序-m25p16 device using VHDL