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想问下ROM_UARTConfigSetExpClk配置串口2，那么该怎么使用u2的printf
您好，请问您使用的是哪个例程？
这样配置完之后，可以直接UARTprintf吗
看一下我们提供的相关例程：C:\ti\TivaWare_C_Series-2.2.0.295\examples\boards\ek-tm4c123gxl\uart_echo\ccs
以及：Tips for Using Printf
