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I2C设置好后，过几秒钟再去读又变回初始的设置了，我求助后Ti技术支持回复：更改后，是否下电了？如果有下电或其它问题导致芯片复位，芯片会回到默认设置
原来的帖：www.deyisupport.com/.../145694.aspx
Hi
输入没有电源输入，并且电池电压也掉下去了。（等同芯片完全断电后重启后，自动回复默认值）
