英文不好急死人啊！
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原文是：The VBAT pin can be connected to the external battery (1.8 V < VBAT < 3.6 V).
If no external battery is used, it is recommended to connect this pin to VDD with a 100nF external ceramic decoupling capacitor.
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原文是：The VBAT pin can be connected to the external battery (1.8 V < VBAT < 3.6 V).
If no external battery is used, it is recommended to connect this pin to VDD with a 100nF external ceramic decoupling capacitor.
这个100nF的电容是串接在VDD与VBAT引脚之间，还是说VBAT引脚接入VDD然后旁边接一个100nF的去耦电容到地？
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