基于ip核的fir滤波器设计，调用了ip核，并实例化，对初学者很有用。-Based on the ip kernel fir filter design, call the ip kernel, and instantiation, very useful for beginners.

在modelsim中实现硬件库的调用，实现类似SRAM的仿真(Implement the call of the hardware Library in Modelsim and implement the simulation like SRAM)