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ADS1115为什么读出来的都是1呀,也就是FFFF

Other Parts Discussed in Thread: ADS1115

您好!

        使用430的449作为主芯片,ADS1115转换数据,依次写入数据90、01、85(使用A0,A1进入,读取两通道的差值,满量程选择2.048V)、83,然后90、00、91开始读数据,目前A0、A1之间的差值是0.24V。示波器看波形,也符合的,可就是读不出来。急需帮助,请尽快回复!谢谢!