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dm64647T串口擦除FLASH:sfh_DM646x.exe -nanderase 失败

大家好, 我新做了几套dm64647T的板子,元器件没有什么变化老板子是正常的,串口可以擦写和少些ubl和uboot;但是新板子的几套都是擦写就失败。sfh_DM646x.exe  -nanderase 就应该是一直等不到done的命令吧,循环的发送命令。