Protel画FPGA原理图时导出的引脚文件，不能直接用于Quartus的的引脚绑定。该程序可以将其格式转换为Quartus认可的文件。大家也可根据自己情况修改。-Protel schematic drawing FPGA pin when the exported file can not be directly used in the Quartus pin bindings. The program can be converted to the format approved Quart