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AM3352 LCD屏闪烁问题



大家好,我最近在使用AM3352+LCD,目前LCD已点亮,但是目前遇到问题,情况如下,在进入文件系统后,在串口,摁电脑TAB或者输入任何命令,屏都会闪烁;不知道为什么串口输入会影像LCD屏显示,改如何解决?