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关于中断向量表初始化



在F2833X的实例文件中,声明一个PieVectTable映射到0X000D00中,又声明一个变量PieVectTableInit,然后把两个地址映射到一致,应该是这个意思吧?

   但是这样做的目的是什么?  

   感觉只用一个不就完了么,为什么要声明两个啊?

   实在没看懂!