请问寄存器register31-33 :Secondary Audio Interface Control,这是配置哪里的?在数据手册里找不到关于Sceondary的描述,Secondary 是指跟ADC3101后级的codec么?
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请问寄存器register31-33 :Secondary Audio Interface Control,这是配置哪里的?在数据手册里找不到关于Sceondary的描述,Secondary 是指跟ADC3101后级的codec么?
不是指的后级codec,而是指的BCLK或者WCLK是来源于GPIO 提供的。
您可以看下Register32的定义,也就是说audio clock 是选择GPIO 控制还是primary BCLK控制。