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比如flash 需要外部的吗?用在协调器上还是终端上?
2530的flash有点小,设备端肯定是需要的,协调器若是你的主控flash够大,也不用
谢谢
升级一次需要多长时间呢
升级需要的时间要看程序大小和信号情况。信号好的话很快的