Hi Ti，
CC2640，完全按照官方参考设计，纽扣电池供电，内部DCDC方案，VDDR电压1.65V，但是晶振工作电压只有0.6V，请问这样是否正常？
电压远小于1/2VCC，为什么会出现这种情况？如何排查？
谢谢
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