解释UCA0CTL1 |= UCSWRST;
时间: 2023-08-06 14:05:16 浏览: 23
UCA0CTL1 |= UCSWRST; 是对UCA0CTL1寄存器的位操作,将UCSWRST位设置为1。这个位是用来控制USCI_A0模块的状态机的复位状态。设置UCSWRST位后,状态机将被置于复位状态,即停止工作。这样可以在初始化串口之前确保状态机处于正确的初始状态。在初始化完成后,需要将UCSWRST位清零,以启动状态机并开始正常的通信操作。
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