How to use the TrustZone example below? "E:\STM32Cube_FW_U5_V1.0.2\Projects\NUCLEO-U575ZI-Q\Examples\GPIO\GPIO_IOToggle_TrustZone" 2 LEDs did not turn On after following Getting started with STM32CubeU5 for STM32U5 series_UM2883.pdf (ARM-MDK5.32+Win7)

[Imen.D]

Hello @DLing.1​ and welcome to the Community :)

Do you get a compilation error ?

Check the pins assignment in your code compared to the STM32U5 datasheet of the used product.

Try to follow the readme file in the Cube example.

Imen