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产品使用一段时间后发现晶振不工作，使用的晶振规格：32.768KHz 7pF+/-20ppm，从这表里没太看出对晶振的相关要求，期待回复，感谢！
Hi,
看一下这两篇文档：
https://www.ti.com/lit/an/slaa322d/slaa322d.pdf
https://www.ti.com/lit/an/slaa225a/slaa225a.pdf
