ddr verilog代码,实现DDR内存控制，是一个高效率的程序

sram操作vhdl源程序，内有sdram模型，控制器设计，及测试源程序-sram operating in vhdl \doc DDR SDRAM reference design documentation \model Contains the vhdl SDRAM model \route Contains the Quartus 2000.05 project files a routed controller design \simulation