High voltage spike on 5V IO line disturbs 5.0 display functionality. all lines are protected using io buffer and SMBJ5.0A TVS, still, a high voltage spike enters the main 5V and 3.3V power lines. Spike creates spurious interrupts.
How I can stop passing high voltage spike to internal main Digital core section and save the Internal functionality and Display.
How I can stop passing high voltage spike to internal main Digital core section and save the Internal functionality and Display.