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TLV320DAC3100: 如何切换SPK的两个通道

Part Number: TLV320DAC3100


Dears,

    我们增加了一个耳机通道,接在了codec 3100芯片的SPKP_2和SPKM_2上,如下图所示:

目前情况是SPKP_1、SPKM_1这一路可以出来声音,SPKP_2、SPKM_2没有声音。

疑问:

1)我们不知怎么区别codec 3100芯片的两个通道SPKP_1、SPKM_1和SPKP_2、SPKM_2?这两个通道会同时出声音吗?
2) codec 3100有相关寄存器参数可以配置以区分是哪个spk吗,如果有应该怎么设置呢
还请麻烦帮忙看一下,谢谢!

Thanks