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【应用笔记】在Stratix III和Stratix IV器件中实现PLL重配置(Implementing PLL Reconfiguration in Stratix III and Stratix IV Devices)
该应用笔记描述了在Stratix III和Stratix IV器件中实现锁相环(phase-locked loop,PLL)重配置的流程。
This application note describes the flow for implementing phase-locked loop (PLL)
reconfiguration in Stratix® III and Stratix IV devices. 
an454.pdf