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请教TI工程师：msp430FR5969 LFXT低频晶振接口 除了支持32.768KHZ 低频晶振，能否支持常规的4MHZ晶振。
4M的话建议用HFXT
谢谢 TI，我是方案上想用LFXT外接的晶振然后通过ACLK输出给外设。是不是ACLK只能从LFXT以及VLO获取频率源？
是的，ACLK时钟信号的信号源为LFXT1CLK或VLOCLK。
