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TI的TAS57XX数字功放里面有个MCLK限制,12.288,但是寄存器里面可以设置成512fs,远超过了12.288是不是矛盾了?



还有这个MCLK究竟是用来做什么用的,我看I2S的时序图上都是参考SCLK的,如果我们用个外部的有源晶体给MCLK供,就是I2S和MCLK是两个时钟源,这样会有问题吗?如果有问题可以通过软件更改吗?