imxRT1062 eFUSE tools

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imxRT1062 eFUSE tools

Contributor III


    We would like to set the eFUSE for booting from a QSPI NOR Flash without depending on the BOOT pins as struggling with IOs availability for a custom board. Could you please guide me how to burn these eFUSE on the chip using MCUXpresso IDE? We have a JTAG connection for programming and debugging! Serial/USB to serial connection is available to connect to a PC for debugging purpose. I am not sure if we can attach a tool to it for setting this fuse. 

Thanks & regards,


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NXP Employee
NXP Employee

Hello Rajani,

Hope you are doing well.

There are several tools that can help you burn the fuses. I'll list them here:

1. MCUBootUtility Tool:

GitHub - JayHeng/NXP-MCUBootUtility: A one-stop boot utility tool based on Python2.7+wxPython4.0, it... 

 - Please keep in mind that to burn the fuses using this utility you need to use either USB or UART while the RT is in serial downloader mode

2. MCUXpresso Secure Provisioning Tool:

 - Direct connection to the target via UART, USB-HID for provisioning and programming

User Guide

3.  It is also possible to burn the fuses in runtime, please refer to the following thread: 

How to burn BT_FUSE_SEL on RT1050

Best Regards,



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