SDRAM,FLASH存储器控制与驱动。编程实现DSP开发板相关接口与外设的初始化程序，读出及显示实验板上Flash 存储器中的图像。-SDRAM, FLASH memory control and drive. DSP development board programming interfaces and peripherals related to the initialization procedure, read the experiment on-board Flash memory

这是去隔行程序里的一个模块，主要是做sdram的4口控制的连接。-This is a de-interlacing program module sdram four control connection.