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这两种 映射有什么区别吗
在Cmd文件里两种都行,但只要用其中一种就好了,不要写两块。
这么说吧,如果是用EDMA来访问这块片上内存。只能通过0x11xxxxx地址访问,其它master外设如网口,USB,UPP等也只能通过0x11xxxxxx访问。