楼主,问一个问题,刚刚在看keystone系列器件的EMIF16说明手册,看到下面这一句:
EMIFA[23:22] behave as address selects. For 16-bit interface, EMIFA23 is connected to address pin A0 of the ASRAM/NOR Flash. For 8-bit interface, EMIFA[23:22] are connected to address pins A[1:0] of the ASRAM/NOR Flash.
EMIFA[23:22] behave as address selects. For 16-bit interface, EMIFA23 is connected to address pin A0 of the ASRAM/NOR Flash. For 8-bit interface, EMIFA[23:22] are connected to address pins A[1:0] of the ASRAM/NOR Flash.
按我的浅薄的经验,我只能理解EMIFA0和存储器件的A0链接,这里把控制器件的高位地址线连接到存储器的低位是什么意思?
楼主,带带我。
这个明显是 当外接16位宽存储时 EMIFA23接最低位A0
8位是EMIFA[23:22]接存储的A[1:0]
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