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28388D的EMIF问题疑惑

        在使用28388D的过程中,考虑到以后内存的使用,计划给28388D扩展两个个存储,256M的NOR  FLASH和32M的SDRAM。

         初步构思的想法是,将NOR FLASH(MT28FW02GBBA1HPC)连接到EMIF1_CS0n口、SDRAM(MT48LC16M16A2P)连接到MIF2_CS0n。

         但,检查手册资料发现,EMIF1_CS0n是同步接口,所以。之前连接的方式是不行的,换一下的话,内存又达不到要求,思考中,,,,