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UPP问题



请教大家一个问题,当使用OMAPL138的UPP总线时,不用的引脚(比如:XD15-XD0)可以配置成GPIO使用吗?当使用EMIFA总线时,不用的引脚A22-A17可以配置成GPIO使用吗?还有,使用UART时,RTS/CTS引脚可以配置成GPIO使用吗?