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How can I patch code located in FLASH memory? - Knowledgebase / Flash programming - Lauterbach Support

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How can I patch code located in FLASH memory?

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  • Last updated: Sep 3, 2026 by Nesrine Zouari

Code patching in FLASH memory is possible using the FLASH.AUTO command.

When only a few bytes within a FLASH sector need to be modified, FLASH.AUTO saves the existing sector content, erases the sector, writes the modified content, and restores the unchanged data.

The following command sequence is needed:

FLASH.AUTO ALL

Data.Assemble … ; Patch code in FLASH
Data.Set …      ; Patch hex. value to FLASH

FLASH.AUTO off


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This Article Category Knowledgebase
Date Created
Sep 3, 2026