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关于FLL+操作的问题

camus wang
Intellectual 300 points

《MSP430F4XXX user guide》297页有讲"DCO

Frequency Range”，有句话不理解"The range control allows the DCO to operate near the center of the

available taps for a given DCOCLK frequency.”其中“ the center of the available taps  ”是什么东东？这句话怎么翻译好呢？

  • 0
    TI__Intellectual 1315 points

    直译的话就是DCO可工作范围的中心点。出于功耗考虑，DCO可调节RC参数，让DCO初始震荡在一个大概的范围，然后再通过FLL锁定具体的频率。编程的时候就需要根据系统设计的DCO频率，首先设置DCO Frequency Range