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msp430fr2476的串口1使用问题

Other Parts Discussed in Thread: LP-MSP430FR2476, MSPWARE

大家好,

我最近使用lp-msp430fr2476开发套件进行评估,原out of box代码是用UART0发数据,我将UART0改为UART1,发现只要配置串口模式后,只要上电,PC端就会一直收到串口1发的00,在没有发数据的时候也是这样,收中断不可用。改回UART0之后恢复正常。

我修改的代码如下,只是修改了串口配置,其余与原out of box一致,请问这是什么原因。