TI的带I2C控制的功夫,RST 和PDN这些管脚必须要接吗?
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嗯。有些57系列比较早的需要有上电的时序问题,新的就没有那种要求。我建议还是接reset上电后让芯片复位一下,这样保证芯片工工作正常。PDN可以根据你的设计需要。