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AM623: Method to distinguish between HS-FS and HS-SE devices w/o UART boot

Part Number: AM623

Tool/software:

Dear Support Team,

 

Is there a possibility to distinguish between HS-FS and HS-SE devices without using the console date in UART boot mode?

The only interface we would like to use is USB and UART over USB in our use-case without any real UART or JTAG.

The boot mode is limited to USB-DFU, too.

So, we thought about something, like reading out the key revision (TSCI_MSG_READ_KEYCNT_KEYREV) by a dedicated sbl bootloader (firmeware). Form the documentation we’ve found this looks like it is limited to the HS-SE devices.

Is there maybe a different API call we could use for both SE and FS devices, or would you recommend a different approach?

 

Best Regards