Resolved! STM32L5 secure access to non-secure flash block read as zero. Is it an architecturally specified behavior or just an MCU specific behavior?
I am currently experimenting on stm32l562e-dk board, and I discovered that, in the secure world, non-secure flash cannot be read via a secure memory region (i.e. not covered by any of the SAU regions). To be specific, value of zero is read.I am wond...