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看TUSB2046BI的参考设计的晶振都是6MHz，请问这个能否使用12MHZ的晶振？
不可以，要么是6MHz crystal输入，要么是40MHz的有源晶振或者其他片上产生的时钟输入给48MCLK端。
不推荐使用12Mhz crystal输入。
