FPGA内嵌的BRAM资源很少，此代码为DRAM代码风格，可以极大程度上减少FPGA内嵌资源的消耗。txt文档中含源代码，直接粘成vhdl即可-FPGA embedded BRAM few resources, the code for the DRAM code style, you can significantly reduce resource consumption embedded FPGA. txt document containing the source code direc