在对AM3352测试的过程中出现了外设PLL不稳定,导致串口通信失败,其他外设时钟都不稳定。期间LCD出现了花屏,LCDC时钟发生变化,这个不知道是显示PLL不稳定,还是LCDC的问题。在换过AM3358之后,90%的没了问题。不知道AM3352芯片不稳定,还是其他的什么原因。
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