最近在调MSP430G2452的PWM输出驱动蜂鸣器，刚开始使用的是P1.2脚能正常驱动，后来硬件改版，将PWM输出脚换成了P1.4，我按照之前相同的配置方法，发现无法正常驱动蜂鸣器，用示波器也查不到相应的波形，求问P1.4配置成PWM输出，是不是有特殊的配置要求？改怎么配置？谢谢指教！
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