ddr控制器代码\source\ddr_ctrl.v .............\......\ddr_data.v .............\......\ddr_par.v .............\......\ddr_pll_orca.v .............\......\ddr_pll_orca_sp.v .............\......\ddr_sig.v .............\......\ddr_top.v .............\testbench\ddr_tb.v .............\.........\stimulus.v .............\source .............\testbench ddr控制器代码