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 directly into VHDL can be sticky