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cc2540 buzzer and timer的设置问题



在cc2540mini-dk中使用keyfob工程时,buzzer是连接到P1_6(Peripheral PIO),用Timer3输出PWM来控制buzzer,当我改用Timer3来控制其他的PIO端口时,发现端口没有输出,或者使用Timer4来控制buzzer时也没有输出,所以是否Timer3被指定控制P1_6,代码中在哪部分实现的?