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TLV320AIC3106 滤波器配置的问题

我使用TLV320AIC3106进行音频采集时发现有直流偏置,因此用默认参数的高通滤波器去掉直流。配置如下,不知此配置是否正确。

I2CRegWrite(baseAddr, 107,0x30);
I2CRegWrite(baseAddr, 12, 0xF0);

同时我希望能再添加低通滤波,请问寄存器该如何配置?