Hi,
After had a brief look through the statement above, I'd highly recommend you to use the EEPROM Emulation Driver to achieve data storage of application variables that must be maintained when power is removed and need to be updated individually during run-time.
You can download the EEPROM emulation driver for KEA128 through the link as below.
KEA Reliable, Low-power MCUs|NXP

Have a great day,
Ping
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