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PCM1864: PGA相关的寄存器1,2,3,4写不进去,其他的寄存器可以写

Part Number: PCM1864

pcm1864 只有寄存器地址是1,2,3,4的写不进去,其他的寄存器可以写,寄存器地址是1,2,3,4 的 是PGA相关的寄存器,下面的图是我们写的代码,这些寄存器都能读写,按顺序读写,到PAG(寄存器地址1)的时候就写不了。