FPGA开发仿真工具modelsim的高级进阶教程，包括如何写脚本文件和后台批处理文件-FPGA Development Advanced simulation tools modelsim tutorial, including how to write a scr ipt file and back-office batch file

Design constraints define the requirements that must be met by the compilation flow in order for the design to be functional on the board • Over-constraining and under-constraining is bad, so use reasonable constraints that correspond to your requ