[S32K310] Proper procedure to upload and activate HSE firmware (pink image)

[error81]

Hi,

I’m working with the S32K310 MCU and would like to clarify the correct method for uploading and activating the HSE firmware directly on the device.

Specifically:

1. Is it correct to use the pink image included in the HSE demo project, convert it to hex format, and upload it to the MCU for HSE initialization?

2. After uploading and resetting the MCU, can I check the HSE GPR register at address 0x4039C020 to verify that the HSE firmware has been successfully loaded and activated?

I couldn’t find definitive confirmation on this in the reference materials, so any guidance on the proper sequence or verification method would be greatly appreciated.

Thanks in advance for your support!

Best regards

[VaneB]

Hi @error81 

For a more in-depth understanding of HSE firmware installation, we offer an Application Note with step-by-step instructions. You can download this resource from the following location:

S32K3 Microcontrollers for Automotive General Purpose → Documentation → Secure Files → HSE FW Install for S32K3xx.

Also, I recommend referring to the S32K344_HSE_FW_INSTALL demo provided with the S32K3 MCUs for General Purpose HSE Demo Examples. 

BR, VaneB

[VaneB]

S32K3 Microcontrollers for Automotive General Purpose → Documentation → Secure Files → HSE FW Install for S32K3xx.

Also, I recommend referring to the S32K344_HSE_FW_INSTALL demo provided with the S32K3 MCUs for General Purpose HSE Demo Examples. 

BR, VaneB