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MSP430F5529实现脉冲计数的功能

Other Parts Discussed in Thread: MSP430F5529

你好:

        我想用MSP430F5529单片机做一个对外部脉冲信号进行统计计数的模块,我把信号接入TA/BCLK管脚,用定时器的计数功能来实现时可以的吧?

关键问题是,我外部的脉冲信号是经过单稳态触发整形过的,目前最终信号是5V的方波信号,我应该怎么做才能将这个信号接入单片机的管脚呢?

谢谢!