https://community.nxp.com/t5/LPC-Microcontrollers/flash-driver-failed-to-initialize/m-p/1667335#M52966 <P>Hi,</P> <P>I suppose that you use NXP manufactured LPCXpresso804 boards, if it is the case, you have to disable on board debugger by closing the JP1 and connect the SWD signal to CN1 of LPCXpresso804 boards.</P> <P>&nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="xiangjun_rong_0-1686533288576.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/227107i6E35CE89C135C978/image-size/medium?v=v2&amp;px=400" role="button" title="xiangjun_rong_0-1686533288576.png" alt="xiangjun_rong_0-1686533288576.png" /></span></P> <P>SWD connector CN1 signals assignment</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="xiangjun_rong_1-1686533442940.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/227108i34C653DB2BBBC4EA/image-size/medium?v=v2&amp;px=400" role="button" title="xiangjun_rong_1-1686533442940.png" alt="xiangjun_rong_1-1686533442940.png" /></span></P> <P>On the IDE, you can delete the *debug.lauch file so that the tools can research the device.</P> <P>If you use your own board, I am sorry.</P> <P>Hope it can help you</P> <P>BR</P> <P>Xiangjun Rong</P> <P>&nbsp;</P> Mon, 12 Jun 2023 01:34:47 GMT xiangjun_rong 2023-06-12T01:34:47Z https://community.nxp.com/t5/LPC-Microcontrollers/flash-driver-failed-to-initialize/m-p/1667225#M52963 <P>When flash with support on ULINK2 debugger the GPIO example code in LPC804 , Flash deriver failed to initialize error is occured continuosly.</P> Sat, 10 Jun 2023 07:36:45 GMT https://community.nxp.com/t5/LPC-Microcontrollers/flash-driver-failed-to-initialize/m-p/1667225#M52963 Sathiya_T 2023-06-10T07:36:45Z https://community.nxp.com/t5/LPC-Microcontrollers/flash-driver-failed-to-initialize/m-p/1667335#M52966 <P>Hi,</P> <P>I suppose that you use NXP manufactured LPCXpresso804 boards, if it is the case, you have to disable on board debugger by closing the JP1 and connect the SWD signal to CN1 of LPCXpresso804 boards.</P> <P>&nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="xiangjun_rong_0-1686533288576.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/227107i6E35CE89C135C978/image-size/medium?v=v2&amp;px=400" role="button" title="xiangjun_rong_0-1686533288576.png" alt="xiangjun_rong_0-1686533288576.png" /></span></P> <P>SWD connector CN1 signals assignment</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="xiangjun_rong_1-1686533442940.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/227108i34C653DB2BBBC4EA/image-size/medium?v=v2&amp;px=400" role="button" title="xiangjun_rong_1-1686533442940.png" alt="xiangjun_rong_1-1686533442940.png" /></span></P> <P>On the IDE, you can delete the *debug.lauch file so that the tools can research the device.</P> <P>If you use your own board, I am sorry.</P> <P>Hope it can help you</P> <P>BR</P> <P>Xiangjun Rong</P> <P>&nbsp;</P> Mon, 12 Jun 2023 01:34:47 GMT https://community.nxp.com/t5/LPC-Microcontrollers/flash-driver-failed-to-initialize/m-p/1667335#M52966 xiangjun_rong 2023-06-12T01:34:47Z