VHDL写的SDRAM的精简控制器。包含SDRAM接口控制器，和数据读写控制。含有实际抓取的signatap波形。为初学SDRAM者的，最好参考。-A SDRAM controller written in VHDL.Including SDRAM interface controller, read and write control. It is the best reference for SDRAM learners .