Other Parts Discussed in Thread: PCM1802, TAS5086
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你把两块板子搞混了,软件里的Ch1-6是指TAS5086里的。而图片中的是INPUT USB BOARD上的ADC输入通道。INPUT USB BOARD上一共有4片PCM1802,所以一共有8路输入。这4片ADC主要是用于模拟信号采集的,通过跳线可以设置使用其中的某一片。
ADC那块不需要软件控制,使用跳线即可,详细可参考EVM板User's Guide: http://www.ti.com/lit/ug/sleu065a/sleu065a.pdf。