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I'm trying to program the bootloader area of a NUC240SE3AE device with JLink and JFlash but I'm having an error message:

"ERROR: Selected Data (0x100000 - 0x100FFF) does not fit into selected flash sectors."

The chip does have that area implemented but as I found out in Segger's device database:

  • This device has only one flash bank,

  • The one for the main application, and the second area for the bootloader is missing.

So my question is: is there a workaround for this? How to program that flash area?

Frant
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jefflynn1974
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  • Have you asked on the Segger forum? In my experience their engineers are responsive, and Segger releases software and firmware updates (including Beta versions) pretty regularly. https://forum.segger.com/index.php/Board/3-J-Link-Flasher-related/ – Jeremy Jul 13 '21 at 12:36

1 Answers1

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The MCU's technical reference manual in the section System Memory Map proves that the memory range 0x100000 - 0x100FFF is not implemented. System Memory Map

It means the config of the flasher or linker is not correct. Please provide both configs for further investigation. Additionally, what is the firmware source?

LVitya
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  • I have been using this part for years. There is an area in the flash called LDROM between 0x001000000-0x00101FFF. Please check the manual again. It is on the page 178 in the file TRM_NUC230_240_Series_EN_Rev1.03.pdf. It can be programmed with Keil and nuvoton's own tools, but not with Segger's command line tools. – jefflynn1974 Jun 14 '21 at 06:51
  • Then please provide JFlash config for further investigation. A screenshot will help too. – LVitya Jun 14 '21 at 20:57