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OMAPL137的Microphone In 接口



Hi!大家好!我有一些问题:OMAPL137 Evm 技术手册上写有P4 Microphone In 接口是stereo microphone line input,如下图。

意思是可以连接两个左右两个通道麦克风输入吗?因为上边写了 Left Line In和Right Line In。那么麦克风和3.5mm插头该怎么连线呢?MICBIAS怎么办?

这个图里怎么MIC 3R和MIC 3L是连在一起了呢?