verilog 三分频 分频器是FPGA设计中使用频率非常高的基本设计之一，尽管在目前大部分设计中，广泛使用芯片厂家集成的锁相环资源，如altera 的PLL，Xilinx的DLL.来进行时钟的分频，倍频以及相移。-verilog-third of the frequency divider is a FPGA design, very high frequency of use, one of the basic design, although most of the designs in

用Verilog HDL编写的锁相环程序-Phase-locked loop program written in Verilog HDL