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ads1298放大倍数不对

Other Parts Discussed in Thread: ADS1298, ADS1298ECGFE-PDK

已知ads1298供电电压为0-3.3V,参考电压设为2.4V,差模输入100mV时,只有放大倍数设置为1倍时输出是正确的,设置成2、3、4、6、8和12等其他倍数的输出结果都不对,为了防止寄存器写入失败,特地通过gpio脚来指示每次的寄存器改变