MCX N947无法使用板载的DAP-LINK

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MCX N947无法使用板载的DAP-LINK

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xiaobai_226
Contributor III

问题:MCX N947无法使用板载的DAP-LINK,在keil MDK中无法识别到设备。

xiaobai_226_0-1746771085904.png

这个是板子的跳键帽连接,使能了SWD接口

xiaobai_226_1-1746771336267.png

xiaobai_226_2-1746771356597.png

使用usb -tree看板子的虚拟串口和dap-link是正常的效果如下:

xiaobai_226_3-1746771486585.png

 

在MCUXPresso IDE也是一样的检查不到板载的DAP-LINK

如何进行解决这个问题呢?

 

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1 Solution
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xiaobai_226
Contributor III
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)

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1,913 Views
Mayday
Contributor I

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-

LINK,Keil 里识别不到 DAP-LINK,Keil 版本是 v5.42.0.0

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1,895 Views
xiaobai_226
Contributor III
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)
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Alice_Yang
NXP TechSupport
NXP TechSupport

Hello @xiaobai_226 

请尝试更新MCU-LINK 固件,步骤参考:https://docs.nxp.com/bundle/UM12018/page/topics/Updating_MCU_Link_firmware.html 

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。

 

BR

Alice

2,108 Views
xiaobai_226
Contributor III

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:

xiaobai_226_0-1751878621065.png

更换jlink驱动是可以找到的

xiaobai_226_1-1751878964211.png

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

xiaobai_226_2-1751879184312.png

这是什么原因导致的呢?

怎么解决?

 

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