一个实现简单的数字锁相环Verilog代码，本人借鉴网上现有的代码后经修改在Cyclone II上调通实现，里面有ModelSim仿真成功的波形图-A simple digital PLL Verilog code, I draw on-line after the existing code, as amended, pass upward in the Cyclone II realized, there are successful ModelSim Simulation Waveform