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EMIF16地址映射问题



各位专家好,

我想用EMIF16外接FPGA,只想用3个EMIFA, 16位数据线,但是我不知道怎么映射address。我现在的思路是,比如根据片选所在的区域为基地址,之后加一个offset(代表具体的EMIFA)。比如#define A1_OFFSET     (1<<3) /*Address for A1 pin*/  但是我不知道具体的地址pin所对应的程序是不是这样。 

急等回答!

谢谢!!!!!