https://community.nxp.com/t5/Kinetis-Microcontrollers/KEA128-FTM2/m-p/1777566#M65819 <P>Hi,</P> <P>我认为FTM2和Uart1没有任何关系， 关于你的问题，你已经允许FTM2和Uart1的中断，请检查是否有相应的中断服务程序。</P> <P>你必须将中断服务程序添加到vectors.c 中。</P> <P>谢谢</P> <P>XiangJuneRong</P> Wed, 20 Dec 2023 03:38:05 GMT xiangjun_rong 2023-12-20T03:38:05Z https://community.nxp.com/t5/Kinetis-Microcontrollers/KEA128-FTM2/m-p/1776763#M65811 <P>时钟选用内部时钟，当PTC3属性配置成FTM2通道3时，频率100hz，占空比50%，UART的初始化会导致系统不间断复位，屏蔽UART初始化则正常。</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="FTM2初始化" style="width: 969px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/254944i0BB5F60B37B67EF4/image-size/large?v=v2&amp;px=999" role="button" title="FTM2初始化.jpeg" alt="FTM2初始化" /><span class="lia-inline-image-caption" onclick="event.preventDefault();">FTM2初始化</span></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="UART初始化" style="width: 977px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/254945i4155AD068D14B9D8/image-size/large?v=v2&amp;px=999" role="button" title="UART初始化.jpeg" alt="UART初始化" /><span class="lia-inline-image-caption" onclick="event.preventDefault();">UART初始化</span></span></P><P>&nbsp;</P> Tue, 19 Dec 2023 03:37:39 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/KEA128-FTM2/m-p/1776763#M65811 primaryleaf 2023-12-19T03:37:39Z https://community.nxp.com/t5/Kinetis-Microcontrollers/KEA128-FTM2/m-p/1777566#M65819 <P>Hi,</P> <P>我认为FTM2和Uart1没有任何关系， 关于你的问题，你已经允许FTM2和Uart1的中断，请检查是否有相应的中断服务程序。</P> <P>你必须将中断服务程序添加到vectors.c 中。</P> <P>谢谢</P> <P>XiangJuneRong</P> Wed, 20 Dec 2023 03:38:05 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/KEA128-FTM2/m-p/1777566#M65819 xiangjun_rong 2023-12-20T03:38:05Z https://community.nxp.com/t5/Kinetis-Microcontrollers/KEA128-FTM2/m-p/1778442#M65823 <P>如图可以看到FTM2的中断已经定义在中断向量表中，实际使用当我改变UART的波特率是会影响的，若是波特率大约等于9600，此时使用FTM2输出PWM，系统会不间断复位，若波特率不是9600，那么系统运行正常，FTM2也正常</P> Thu, 21 Dec 2023 07:05:20 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/KEA128-FTM2/m-p/1778442#M65823 primaryleaf 2023-12-21T07:05:20Z https://community.nxp.com/t5/Kinetis-Microcontrollers/KEA128-FTM2/m-p/1778570#M65824 <P>Hi,</P> <P>The uart of Kea128 supports Irda, it is possible that it take effects on the uart?</P> <P>Pls refer to section 3.2.5 UART0/1/2_RX capture in UM of KEA128.</P> <P>Hope it can provide a clue for you</P> <P>BR</P> <P>XiangJun Rong</P> Thu, 21 Dec 2023 08:52:50 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/KEA128-FTM2/m-p/1778570#M65824 xiangjun_rong 2023-12-21T08:52:50Z