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用ADS1148做多通道采集,主控spi总线上挂接四片ADS1148. 做了六块板子,其中两块板子测试正常,其他四块板子上都会出现某片ADS1148采集数据不稳来回跳变或异常(差太多)的情况出现,不知是什么问题,请教?

Other Parts Discussed in Thread: ADS1148

读取问题ADS1148寄存器的设定值是正确的,但采的AD确是不正常。