stm32f407WM8978不出声音

如果STM32F407和WM8978没有声音输出，可能有几个可能的原因。首先，确保去除了MUTE位控制。WM8978的MUTE位控制默认情况下是高电平（1），这会导致无声输出。可以通过将MUTE位设置为低电平（0）来解除静音。引用<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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