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MK22FX512AVLL12 bootloader

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MK22FX512AVLL12 bootloader

‎10-13-2021 12:08 PM
642 Views
dusek_martin
Contributor IV

We were forced to port our hardware from MK22FN512VLL12 to MK22FX512AVLL12, which is the most similar MCU to MK22FN512VLL12 available.

We use USB HID bootloader from NXP_Kinetis_Bootloader_2_0_0 package, it has a bootloader, that can run on MK22FN512VLL12. We flash new firmware to our board using KinetisFlashTool.exe. My question is: is there the same bootloader that can run on MK22FX512AVLL12? If negative, what bootloader is the most similar one to MK22FN512VLL12's USB HID bootloader we used? What changes do we have to do to code (one is obvious - MK22FX512AVLL12 doesnt have 48MHz IRC, we have external crystal on our board)?

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‎10-15-2021 02:45 AM
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jingpan
NXP TechSupport
NXP TechSupport

Hi @dusek_martin ,

There isn't other bootloader witch can use on MK22FX512AVLL12 directly. K60D100M has same clock structure. But it's clock is 100M. You have to modify the code too.

 

Regards,

Jing

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