我想开通DM3730CUS100的UART4,发现只有一个引脚(RX)可以引出,另外驱动加载初始化不了,同样的驱动程序UART1 和 UART2可以初始化成功,请问DM3730CUS封装的UART4到底可不可以正常开通,如何设置才行?
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