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从ti网站上看到的 msp430f5509的电路图,红框内为何有两个 晶振并联 ??

Other Parts Discussed in Thread: MSP430F5509

从ti网站上看到的 msp430f5509的电路图,红框内为何有两个 晶振并联  ??

  • 目测一个是高频晶振,一个是低频晶振,封装不一样,实际板子上只焊一个。

    (5509支持外接高频晶振或低频晶振)