急
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发现越来越坑了。同样的程序,两次上电,一次数据正确,另一次数据就完全乱的,看心情
PLL4分频则主频是50MHz。6050是I2C接口的,实际上和MCU主频关系不大。
还是会有其他原因导致的不稳定,一点一点排查吧。