xilinxpfga vhdl读/写ram block怎么用？谁有vhdl三位OR门程序以下是一个VHDL同步程序，希望对你有用。以下信息已被生成并被自由分发和修改，设计名称:伪随机用途:thisdesiisapseudoland om number generator，thisdesignwillgeneratean 8 bitrandomnumberusingthepolynomialp(x)x 1，此系统具有seedggeneratorandwillgenerate 2 * * 81 uniquevectorsinpseudorandomorder。这些向量每32个时钟周期采样随机数，thivarianceofapriority encoded seedplus fixeds 。
1、VHDL编写ROM的 程序能把你的给我看看吗谢谢library IEEE；use IEEE . STD _ logic _ 1164 . all；LIBRARYaltera _ mfuse altera _ MF . all；ENTITYmc8051_romISPORT(地址:INSTD _ LOGIC _ VECTOR(11 downto 0)；clock:INSTD _ LOGIC；q:out STD _ LOGIC _ VECTOR(7 down to 0))；ENDmc8051 _ romarchitecturesyncofmc 8051 _ romISSIGNALsub _ wire 0:STD _ LOGIC _ VECTOR(7 downto 0)；COMPONENTaltsyncramGENERIC(address _ aclr _ a:STRING；init _)；PORT(clock 0:INSTD _ LOGIC；address _ a:INSTD _ LOGIC _ VECTOR(11 downto 0)；q _ a:out STD _ LOGIC _ VECTOR(7 down to 0))；端组件；开始。
