In order to solve the problem of enormous data flow and high speed . the design of sdram controller is very pivotal , so we provide the design method of sdram controller in detail based on the introduction of sdram ' basic operation . at the mean time , in order to save manpower and time in the following edition , we realize a universal sdram controller with high applicability in this dissertation 因此，本文在介绍sdram基本操作方法的基础上，详细介绍了针对我们目前版本的视频后处理芯片sdram控制器的设计方法，同时，为了能在视频后处理芯片实现的后续版本中节省人力和时间，本文在已有sdram控制器的基础上，探索实现了一种适用性很强的sdram通用控制接口。
