将GPMC设置为8bit模式,定义指针char *p指向该区域,对A0~A11线性寻址,发现A11始终输出高电平!
硬件没有问题,用GPIO模式测试A11正常。
谁能解释一下?
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将GPMC设置为8bit模式,定义指针char *p指向该区域,对A0~A11线性寻址,发现A11始终输出高电平!
硬件没有问题,用GPIO模式测试A11正常。
谁能解释一下?