https://community.nxp.com/t5/MCX-Microcontrollers/MCX-N947%E6%97%A0%E6%B3%95%E4%BD%BF%E7%94%A8%E6%9D%BF%E8%BD%BD%E7%9A%84DAP-LINK/m-p/2146786#M3693 <P>该问题有进展看吗？同样的开发板，我也遇到了这个问题，设备管理器里能正常识别，LinkFlash 里也识别到 DAP-</P><P>LINK，Keil 里识别不到 DAP-LINK，Keil 版本是 v5.42.0.0</P> Tue, 05 Aug 2025 09:33:26 GMT Mayday 2025-08-05T09:33:26Z https://community.nxp.com/t5/MCX-Microcontrollers/MCX-N947%E6%97%A0%E6%B3%95%E4%BD%BF%E7%94%A8%E6%9D%BF%E8%BD%BD%E7%9A%84DAP-LINK/m-p/2094284#M3003 <P>问题:MCX N947无法使用板载的DAP-LINK，在keil MDK中无法识别到设备。</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="xiaobai_226_0-1746771085904.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/336834i7EB6D554566AB5F4/image-size/medium?v=v2&amp;px=400" role="button" title="xiaobai_226_0-1746771085904.png" alt="xiaobai_226_0-1746771085904.png" /></span></P><P>这个是板子的跳键帽连接，使能了SWD接口</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="xiaobai_226_1-1746771336267.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/336835i0853FAE2FFF972E9/image-size/medium?v=v2&amp;px=400" role="button" title="xiaobai_226_1-1746771336267.png" alt="xiaobai_226_1-1746771336267.png" /></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="xiaobai_226_2-1746771356597.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/336836iBDC6E3411979417C/image-size/medium?v=v2&amp;px=400" role="button" title="xiaobai_226_2-1746771356597.png" alt="xiaobai_226_2-1746771356597.png" /></span></P><P>使用usb -tree看板子的虚拟串口和dap-link是正常的效果如下：</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="xiaobai_226_3-1746771486585.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/336837i8F1A33BF68DAEF98/image-size/medium?v=v2&amp;px=400" role="button" title="xiaobai_226_3-1746771486585.png" alt="xiaobai_226_3-1746771486585.png" /></span></P><P>&nbsp;</P><P>在MCUXPresso IDE也是一样的检查不到板载的DAP-LINK</P><P>如何进行解决这个问题呢？</P><P>&nbsp;</P> Fri, 09 May 2025 06:19:28 GMT https://community.nxp.com/t5/MCX-Microcontrollers/MCX-N947%E6%97%A0%E6%B3%95%E4%BD%BF%E7%94%A8%E6%9D%BF%E8%BD%BD%E7%9A%84DAP-LINK/m-p/2094284#M3003 xiaobai_226 2025-05-09T06:19:28Z https://community.nxp.com/t5/MCX-Microcontrollers/MCX-N947%E6%97%A0%E6%B3%95%E4%BD%BF%E7%94%A8%E6%9D%BF%E8%BD%BD%E7%9A%84DAP-LINK/m-p/2095024#M3009 <P>Hello&nbsp;<a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/237685">@xiaobai_226</a>&nbsp;</P> <P>请尝试更新MCU-LINK 固件，步骤参考：<A href="https://docs.nxp.com/bundle/UM12018/page/topics/Updating_MCU_Link_firmware.html" target="_blank">https://docs.nxp.com/bundle/UM12018/page/topics/Updating_MCU_Link_firmware.html</A>&nbsp;</P> <P>然后再次在MCUXpresso IDE上连接。如果仍然有问题，把你所有步骤录制成视频或者截图，发给我。我帮你检查。另，换USB线和PC尝试。</P> <P>&nbsp;</P> <P>BR</P> <P>Alice</P> Mon, 12 May 2025 02:42:43 GMT https://community.nxp.com/t5/MCX-Microcontrollers/MCX-N947%E6%97%A0%E6%B3%95%E4%BD%BF%E7%94%A8%E6%9D%BF%E8%BD%BD%E7%9A%84DAP-LINK/m-p/2095024#M3009 Alice_Yang 2025-05-12T02:42:43Z https://community.nxp.com/t5/MCX-Microcontrollers/MCX-N947%E6%97%A0%E6%B3%95%E4%BD%BF%E7%94%A8%E6%9D%BF%E8%BD%BD%E7%9A%84DAP-LINK/m-p/2129179#M3495 <P>Alice_Yang,按照文档进行更新还是不行，keil和mcuxpresso ide 都无法识别，按照文档将板载的调试器更新为jlink是可以进行下载调试的，但是一旦更新会CMISIS-DAP-Link就无法识别，以下是更新的截图：</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="xiaobai_226_0-1751878621065.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/346264iD87613FFCC570EAC/image-size/medium?v=v2&amp;px=400" role="button" title="xiaobai_226_0-1751878621065.png" alt="xiaobai_226_0-1751878621065.png" /></span></P><P>更换jlink驱动是可以找到的</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="xiaobai_226_1-1751878964211.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/346265i48DEFE05798DC034/image-size/medium?v=v2&amp;px=400" role="button" title="xiaobai_226_1-1751878964211.png" alt="xiaobai_226_1-1751878964211.png" /></span></P><P>使用DAP_Link下载器（淘宝购买）接在板子的调试引脚是可以识别并找到芯片的</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="xiaobai_226_2-1751879184312.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/346267i5F736A2B831F371B/image-size/medium?v=v2&amp;px=400" role="button" title="xiaobai_226_2-1751879184312.png" alt="xiaobai_226_2-1751879184312.png" /></span></P><P>这是什么原因导致的呢？</P><P>怎么解决？</P><P>&nbsp;</P> Mon, 07 Jul 2025 09:07:42 GMT https://community.nxp.com/t5/MCX-Microcontrollers/MCX-N947%E6%97%A0%E6%B3%95%E4%BD%BF%E7%94%A8%E6%9D%BF%E8%BD%BD%E7%9A%84DAP-LINK/m-p/2129179#M3495 xiaobai_226 2025-07-07T09:07:42Z https://community.nxp.com/t5/MCX-Microcontrollers/MCX-N947%E6%97%A0%E6%B3%95%E4%BD%BF%E7%94%A8%E6%9D%BF%E8%BD%BD%E7%9A%84DAP-LINK/m-p/2146786#M3693 <P>该问题有进展看吗？同样的开发板，我也遇到了这个问题，设备管理器里能正常识别，LinkFlash 里也识别到 DAP-</P><P>LINK，Keil 里识别不到 DAP-LINK，Keil 版本是 v5.42.0.0</P> Tue, 05 Aug 2025 09:33:26 GMT https://community.nxp.com/t5/MCX-Microcontrollers/MCX-N947%E6%97%A0%E6%B3%95%E4%BD%BF%E7%94%A8%E6%9D%BF%E8%BD%BD%E7%9A%84DAP-LINK/m-p/2146786#M3693 Mayday 2025-08-05T09:33:26Z https://community.nxp.com/t5/MCX-Microcontrollers/MCX-N947%E6%97%A0%E6%B3%95%E4%BD%BF%E7%94%A8%E6%9D%BF%E8%BD%BD%E7%9A%84DAP-LINK/m-p/2147160#M3697 下载linkserver然后将出厂的daplink固件更新为j-link固件就可以解决问题，但是如果刷回dap-link估计还是不能识别，另外我在网上看见有人说下载其它版本的keil可以解决问题（没实测） Wed, 06 Aug 2025 01:26:22 GMT https://community.nxp.com/t5/MCX-Microcontrollers/MCX-N947%E6%97%A0%E6%B3%95%E4%BD%BF%E7%94%A8%E6%9D%BF%E8%BD%BD%E7%9A%84DAP-LINK/m-p/2147160#M3697 xiaobai_226 2025-08-06T01:26:22Z