摘要： ++++++++++++++++++++++++++++++++++++++++++本文系本站原创,欢迎转载! 转载请注明出处:http://blog.csdn.net/mr_raptor/article/details/6442914++++++++++++++++++++++++++++++++++++++++++1.PHASE LOCKED LOOP（PLL）S3C6410里包含三个PLL(锁相环)，APLL, MPLL, EPLL，通过设置它们将输入时钟同步输出达到操作CPU的工作频率的目的。如图1-1所示。Voltage Controlled Oscillator (VCO)P[5: 阅读全文