清华大学电子课程设计：Verilog，QuartusII可正确运行，可下载到FPGA上，完成远程通信的整体任务，PC发数据，键盘输入运算符与运算数计算将结果显示在数码管上并返回给PC机，需异步串口调试软件-Verilog, QuartusII run correctly, can be downloaded to the FPGA, to complete the overall task of remote communication, PC send data, keyboard opera