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CC1310调用UART_close(uart);dio2和dio3会被恢复到初始模式吗?

我想关掉串口后让dio2和dio3拉低、没有上拉、没有下拉、没有中断。这样串口和其他设备相连就不会漏电了。要实现这个功能调UART_close(uart);这个语句够了吗?还是说需要什么其他的操作?