如果用内部振荡器，就在X1、X2/CLKIN引脚间跨接晶体，5416DSP的datasheet上说XI引脚是“Output pin from the internal oscillator for the crystal. If the internal oscillator is not used, X1 should be left unconnected. X1 does not go into the high-impedance state when OFF is low.”那X1是否可以输出内部振荡器的时钟？谢谢！
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