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Din和时钟信号均正常，但是SPKM SPKP无信号输出，喇叭无声音，CPU也正常连接并且将音频解码成I2S输出给TLV329AIC3120。
Din和时钟信号均正常, 这些都是输入信号.
只是你的输出信号还没有哪个是正常的.
我觉得你是否先检查确认一下硬件, 比如焊接, 连接, 供电 等等
