https://community.nxp.com/t5/MCX-Microcontrollers/MCXA346-PWM-%E6%97%A0%E6%B3%95%E8%BE%93%E5%87%BA/m-p/2347103#M5188 <P>Hello&nbsp;<a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/179561">@346500452</a>&nbsp;,</P> <P>感谢联系我们。我注意到我们的SDK里面有frdmmcxa346_pwm的demo供客户参考，你有试过吗？如果用我们的demo，是否可以看到对应的管脚波形？</P> <P><A href="https://mcuxpresso.nxp.com/select" target="_blank">Select Board | MCUXpresso SDK Builder</A></P> <P>BR</P> <P>Celeste</P> Wed, 08 Apr 2026 10:53:15 GMT Celeste_Liu 2026-04-08T10:53:15Z https://community.nxp.com/t5/MCX-Microcontrollers/MCXA346-PWM-%E6%97%A0%E6%B3%95%E8%BE%93%E5%87%BA/m-p/2344088#M5139 <P>你好，</P><P>我们正在使用MCXA346VLL，自己做了demo板。现在可以实现串口输出，说明板子是正常工作的。</P><P>现在我们想单独使用PWM0的A3 B3作为PWM的输出，但是在配置界面上配置了之后在对应的管脚没有波形输出。对应module3的计数器也是在运行的，修改了各种配置都不可以。</P><P>请帮忙看看是什么问题。</P><P>谢谢！</P> Thu, 02 Apr 2026 07:41:02 GMT https://community.nxp.com/t5/MCX-Microcontrollers/MCXA346-PWM-%E6%97%A0%E6%B3%95%E8%BE%93%E5%87%BA/m-p/2344088#M5139 346500452 2026-04-02T07:41:02Z https://community.nxp.com/t5/MCX-Microcontrollers/MCXA346-PWM-%E6%97%A0%E6%B3%95%E8%BE%93%E5%87%BA/m-p/2347103#M5188 <P>Hello&nbsp;<a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/179561">@346500452</a>&nbsp;,</P> <P>感谢联系我们。我注意到我们的SDK里面有frdmmcxa346_pwm的demo供客户参考，你有试过吗？如果用我们的demo，是否可以看到对应的管脚波形？</P> <P><A href="https://mcuxpresso.nxp.com/select" target="_blank">Select Board | MCUXpresso SDK Builder</A></P> <P>BR</P> <P>Celeste</P> Wed, 08 Apr 2026 10:53:15 GMT https://community.nxp.com/t5/MCX-Microcontrollers/MCXA346-PWM-%E6%97%A0%E6%B3%95%E8%BE%93%E5%87%BA/m-p/2347103#M5188 Celeste_Liu 2026-04-08T10:53:15Z https://community.nxp.com/t5/MCX-Microcontrollers/MCXA346-PWM-%E6%97%A0%E6%B3%95%E8%BE%93%E5%87%BA/m-p/2348151#M5193 <P>你好，</P><P>&nbsp;</P><P>我又仔细对比了自动生成的代码和示例代码的差异，发现是有一个fault的使能状态值不一样，改过之后，就可以输出PWM了。</P><P>&nbsp;</P><P>谢谢！</P> Thu, 09 Apr 2026 09:32:44 GMT https://community.nxp.com/t5/MCX-Microcontrollers/MCXA346-PWM-%E6%97%A0%E6%B3%95%E8%BE%93%E5%87%BA/m-p/2348151#M5193 346500452 2026-04-09T09:32:44Z https://community.nxp.com/t5/MCX-Microcontrollers/MCXA346-PWM-%E6%97%A0%E6%B3%95%E8%BE%93%E5%87%BA/m-p/2348251#M5194 <P>Hello&nbsp;<a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/179561">@346500452</a>&nbsp;</P> <P>不用客气，很高兴听到问题已经解决。还有任何新问题，欢迎随时新建post。</P> <P>BR</P> <P>Celeste</P> Thu, 09 Apr 2026 10:15:49 GMT https://community.nxp.com/t5/MCX-Microcontrollers/MCXA346-PWM-%E6%97%A0%E6%B3%95%E8%BE%93%E5%87%BA/m-p/2348251#M5194 Celeste_Liu 2026-04-09T10:15:49Z