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当把5509A的A0~A13地址线配成GPIO时，如何使用D0~D15数据线进行数据传输，找不到配置D0至D15数据线的相关寄存器？ 求指教
你好，D0~D15只能用作EMIF或HPI模式的数据线，A0~A13地址线配成GPIO时不能使用。
