基于FPGA和VHDL的嵌入式存储器控制器设计

摘要

主要研究一种新型嵌入式对存储器的控制方法,不同于以往采用专用控制器来进行控制,而是基于可编程逻辑器件(FPGA)的手段来实现对存储器的控制.可以解决传统方法低灵活性、不可擦写的瓶颈问题.采用VHDL语言实现控制逻辑,由FPGA向存储器发送读写信号,实现对存储器的读写操作.同时,在Xilinx开发环境进行综合,编写测试码进行仿真,通过仿真结果表明方法实现存储器正常工作所需要的读写时序,证明其正确性.%As the embedded memory is widely used in many field,anew method is introduced to control the embedded memory based on FPGA and VHDL.In contrast to the old method that using a special controller to control the embedded memory,Field-Programmable Gate Array(FPGA)is used owning to the flexibility and eras ability.Simultaneity,VHDL is used to program the logic and the Xilinx integrated development environment can be used to synthesized.Finally,the logic is emulated by ISE Simulator Lite,and its rationality is verified.Thus,the complexity and cost can be effectively reduced.