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28377D芯片中的GPIO84和GPIO72都要通过电阻上拉,那如果需要使用以太网功能,把GPIO72作为EM1D12时,为了把程序加载到Flash,GPIO72外部有个上拉电阻,会影响到以太网功能总线功能嘛(即会影响到以太网功能嘛)?
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并请注意ZHCSC63L_TMS320F2837xD 双核微控制器 datasheet (Rev. L)中6.10 Boot ROM and Peripheral Booting的这两句话:
您可以使用弱上拉来将影响降到最低;
或者改变boot口。