https://community.nxp.com/t5/LPC-Microcontrollers/Reg-MCUXpresso54s018-EVK/m-p/1629582#M52140 <P>Hi&nbsp;faziya&nbsp;</P> <P>Please refer jumper settings of below photo. Make sure your EVK board jumper settings are the same.</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ZhangJennie_0-1680852342694.jpeg" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/218194i7D7E10C507C40EEE/image-size/medium?v=v2&amp;px=400" role="button" title="ZhangJennie_0-1680852342694.jpeg" alt="ZhangJennie_0-1680852342694.jpeg" /></span></P> <P>Then test it with latest MCUXpresso IDE 11.7 +SDK v12.3.x</P> <P>If SDK and IDE versions don't match, connection error may occur.</P> <P>If still fail to connect, use LPCScrypt to update on board debugger firmware, you may try both Jlink and CMSIS DAP interface.</P> <P><A href="https://www.nxp.com/products/processors-and-microcontrollers/arm-microcontrollers/general-purpose-mcus/lpc4300-arm-cortex-m4-m0/lpcscrypt-v2-1-2:LPCSCRYPT" target="_blank">https://www.nxp.com/products/processors-and-microcontrollers/arm-microcontrollers/general-purpose-mcus/lpc4300-arm-cortex-m4-m0/lpcscrypt-v2-1-2:LPCSCRYPT</A></P> <P>Hope this helps,</P> <P>Jun Zhang</P> <P>&nbsp;</P> Fri, 07 Apr 2023 07:33:02 GMT ZhangJennie 2023-04-07T07:33:02Z https://community.nxp.com/t5/LPC-Microcontrollers/Reg-MCUXpresso54s018-EVK/m-p/1629504#M52139 <P>error in final launch sequence,chip intialisation failed Ef(34) Timeout initalizing flash these are errors i got stucked ,can any one suggest me to resolve&nbsp; plz reply me as soon as possible</P> Fri, 07 Apr 2023 05:10:23 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Reg-MCUXpresso54s018-EVK/m-p/1629504#M52139 faziya 2023-04-07T05:10:23Z https://community.nxp.com/t5/LPC-Microcontrollers/Reg-MCUXpresso54s018-EVK/m-p/1629582#M52140 <P>Hi&nbsp;faziya&nbsp;</P> <P>Please refer jumper settings of below photo. Make sure your EVK board jumper settings are the same.</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ZhangJennie_0-1680852342694.jpeg" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/218194i7D7E10C507C40EEE/image-size/medium?v=v2&amp;px=400" role="button" title="ZhangJennie_0-1680852342694.jpeg" alt="ZhangJennie_0-1680852342694.jpeg" /></span></P> <P>Then test it with latest MCUXpresso IDE 11.7 +SDK v12.3.x</P> <P>If SDK and IDE versions don't match, connection error may occur.</P> <P>If still fail to connect, use LPCScrypt to update on board debugger firmware, you may try both Jlink and CMSIS DAP interface.</P> <P><A href="https://www.nxp.com/products/processors-and-microcontrollers/arm-microcontrollers/general-purpose-mcus/lpc4300-arm-cortex-m4-m0/lpcscrypt-v2-1-2:LPCSCRYPT" target="_blank">https://www.nxp.com/products/processors-and-microcontrollers/arm-microcontrollers/general-purpose-mcus/lpc4300-arm-cortex-m4-m0/lpcscrypt-v2-1-2:LPCSCRYPT</A></P> <P>Hope this helps,</P> <P>Jun Zhang</P> <P>&nbsp;</P> Fri, 07 Apr 2023 07:33:02 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Reg-MCUXpresso54s018-EVK/m-p/1629582#M52140 ZhangJennie 2023-04-07T07:33:02Z