We are working on NXP S32K116 microcontroller with ULINK2 debugger and Keil IDE. Presently focusing on deactivating SWD interface and writing the 64 bit SWD Password over SWD Interface.
To achieve this we have figured it out that in startup_S32K116.s source file we have to change FSEC register value to BE and a different backdoor key. Which will activate security and enable backdoor access.
After modifying startup_S32K116.s source file to our desired values we compiled and flashed it to NXP MCU. But after flashing modified values are not written to the MCU.
