Xilinx公司诸多型号开发版中的一个模块，能够实现1到16次倍频和分频等功能。使用时现在ISE集成开发环境下利用VHDL进行例化。本文档为个人学习总结-Xilinx, a number of models developed version of a module, be able to achieve 1-16 times multiplier and divider functions. ISE now use integrated development environment for the use of VHDL-based cases. This document for personal study and summary