winbon 的芯片w25p16 驱动，使用VHDL语言，输入时钟为125M，只要稍微修改IDLE里面的跳转状态机就能跳转到各个读写，或是擦除状态。-the chip is winbon w25p16. vhdl language. the sysclk is 125m. it is easy to jump to write , read, or erase status by change idle status.