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2389347_en-US

2389347_en-US

The K26 firmware on the S32K3X4EVB-Q257 development board is missing.

The OpenSDA on my S32K3X4EVB-Q257 development board is not working. I have already installed the PEmicro driver, but OpenSDA is still not recognized in my computer's Device Manager. I am sure it is because the K26 firmware is missing. Could you please provide me with that firmware?

Re: The K26 firmware on the S32K3X4EVB-Q257 development board is missing.

If the problem persists after replacing the USB cable with one that includes D+ and D- signals, I recommend contacting PEMicro technical support. https://www.pemicro.com/support/index.cfm

Re: The K26 firmware on the S32K3X4EVB-Q257 development board is missing.My development board has a K26 chip, and PEFirmwareConfig.exe cannot recognize the onboard debugger. The K26's OpenSDA firmware is definitely missing.Re: The K26 firmware on the S32K3X4EVB-Q257 development board is missing.

Hi

First, check if the K26 on the U63 is soldered. There was a batch of development boards that did not have the K26 soldered on them because of a shortage of K26, so an external debugger had to be used.

Second, download the  USB Multilink Resources Install  from the Multilink Debug Probes. Without using a USB hub, connect the USB to the J55 of S32K3X4EVB-Q257; can the onboard debugger be recognized in PEFirmwareConfig.exe?

S32K3X4EVB-Q257 OnBoard debugger PEFirmwareConfig.png

Best Regards,
Robin

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Last update:
‎07-03-2026 02:37 AM
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