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tlv320aic3204 In1R/In1L 输出声音都是噪声

Other Parts Discussed in Thread: TLV320AIC3204

tlv320aic3204 In1R/In1L 输出声音都是噪声,请问一般是什么原因呢, 通过示波器检测 发现声音波形有送到aic3204芯片, 但是录制保存下来的声音全是沙沙的噪声。具体的寄存器配置如下:

aic3204_write(0, 0x1); // Select page 1
aic3204_write(2, 0x9);
aic3204_write(1, 0x8); 
aic3204_write(2, 0x1);
aic3204_write(61, 0x0); 
aic3204_write(71, 0x32); 
aic3204_write(123, 0x1); 

aic3204_write(51, 0x68); 
aic3204_write(52, 0x80); 
aic3204_write(54, 0x80); 
aic3204_write(55, 0x80); 
aic3204_write(57, 0x80);
aic3204_write(59, 0x0C); 
aic3204_write(60, 0x0C); 

aic3204_write(0, 0); // Select page 0
aic3204_write(61, 0x01); 
aic3204_write(81, 0xC0); 
aic3204_write(82, 0x00);
aic3204_write(83, 0x0); 
aic3204_write(84, 0x0);