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MSP430G2553 Launchpad 定时器不能用TACLR进行清零!

Other Parts Discussed in Thread: MSP430G2553

您好!我用的是IAR5.0版本的编译器,编写MSP430G2553控制程序时,发现无法用TACLR对定时器进行清零,我通过IAR里面自带的寄存器观察工具观察TACTL寄存器的值,发现用软件编写TACTL|=TASSEL_2+TACLR+MC_1+ID_3;时无法寄存器TACTL中TACLR位没有置位,依然是0,很困惑,不知道是什么问题!网上查到的其他同行编写的程序都是通过这种方式对定时器进行清零的,所以请教一下这个是什么问题????