说明：  本介绍时针对康芯实验箱，对于DE2开发板只需要做相应的调整（如芯片的选择改为Cyclone II EP2C35F672C），大部分操作是一致的。
(Kang core experimental box when the introduction DE2 board only need to be adjusted accordingly (such as chips choose instead the Cyclone II EP2C35F672C), most of the action is consistent.)