说明：  简单的硬件设计实验，此试验可作为使用 Xilinx Platform Studio (XPS)创建简单系统的指导，此试验以 Spartan-3E为目标板。
(Simple hardware design of experiments, this test can be used as the use of Xilinx Platform Studio (XPS) to create a simple guidance system, this experiment with Spartan-3E for the target board.)