topic unable to flash MCU link FW in MCX Microcontrollers

unable to flash MCU link FW

lakshmeswara — Tue, 16 Sep 2025 14:21:51 GMT

we have incorporated MCXN236 circuitry in our HW for one sensor application and we are trying to bring up HW.

I have placed the device in to ISP mode by shorting PIO0_5-ISP_EN-LED_SWD pin to ground. and i have connected MCU link probe and trying to flash MCU link FW using secure provisioning tool. write image option is disabled. not sure what i am missing. appreciate any help in this regard.snap shots attached.Thank you

Re: unable to flash MCU link FW

Alice_Yang — Fri, 19 Sep 2025 01:58:18 GMT

Hi @lakshmeswara

Thank you for contacting us.

If you're looking to update the firmware of your MCU-Link, please refer to the Getting Started with MCU-Link guide, which provides step-by-step instructions for the update process.

https://www.nxp.com/document/guide/getting-started-with-the-mcu-link:GS-MCU-LINK?subSection=overview-of-mculink-installation-1

Alice