This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

C6678的EDMA3中Global region和Shadow region的区别?

   各位好!

        EDMA3 userguide中提到EDMA3通道控制器被分为global region和shadow region两种区域,二者都是用来限定特定programmer对该区域进行访问,不太明白的是二者有什么明显的区别呢?在使用通道控制器的时候,什么情况下使用global region,什么情况下使用shadow region?谢谢!