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大家好，其实问题是这样的，我对aic23寄存器进行配置后，发现，当左声道无模拟信号输入是，adc的输出为0xfaf9，当在左声道输入模拟信号，adc的输出还是为0xfaf9，请这是怎么回事，谢谢了
最好能提供你的电路图，便于评估。
