非常简单的计数器，在ISE下调用计数器IP核，使用verilog开发得到的。-Very simple counter, under the invocation counter in the ISE IP cores, development has been the use verilog.

IP核包括硬IP与软IP。调用IP核能避免重复劳动，大大减轻设计人员的工作量。-IP cores, including hard IP and soft IP. IP calls to avoid duplication of nuclear energy, thus greatly reducing the workload of the designer.

详细的描述了XILINX ISE软件里的IP核的内部结构。详细的介绍了滤波器的各个内部机构和各个功能。-A detailed descr iption of the internal structure of the the XILINX ISE software IP core. Detailed introduction of various internal organs and the various functions of the filter.

ISE实现流水灯，并使用开关控制流水灯走动速度，对于硬IP核初学者很有帮助，代码绝对在ISE14.6上做过验证。-ISE achieve water lights, and use the switch to control light water walking speed, hard IP core for beginners, code validation is absolutely done on ISE14.6.