nand flash挂载在omapl138的CS3空间,在omapl138的CS5空间又挂载了ti公司生产的TL16C754,两者复用了数据总线、地址总线、读写控制线。现在只要焊接了TL16C754便无法加载nand flash中的程序,用示波器监测数据引脚,发现数据引脚无法正常拉高,读写控制线、片选线、地址总线均正常。这个问题该如何解决?
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