Hi@Jackson_Ping
you can take a look the below two document:
1.RTD_FEE_UM and RTD_FEE_IM which included in SW32K3_RTD_4.4_xxx package
(in your RTD install path)
2.Application note about EEPROM Emulation:AN4868,EEPROM Emulation with Qorivva MPC55XX,MPC56xx,and MPC57xx Microcontrollers