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在快速的掉电上电后，显示屏出现了花屏（黑屏）的现象，对比了948的寄存器后，发现23,37,49,3b,65,64,66,67寄存器的值存在差异，掉电掉到很低（大概就5V左右不确定）。请问能否定位问题的大概来源，或者提出一些建议，谢谢。
