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读取ID值为3F，不正确。读写其他寄存器是正确的。
这会是什么原因呢？
您好，
这一般是由上电顺序造成的，建议上电后外部复位一下，具体见datasheet 11.1 Power-Up Sequencing 复位时序。
[FAQ] ADS129x: Why does the Device ID register show the incorrect number of channels?
