Protection measures and security strategy UM2262
32/94 UM2262 Rev 6
execution. When leaving the SBSFU application, the MPU configuration is updated to
authorize also the execution of user application code.
5.5 STM32L4 Series combined with STSAFE-A100
Figure 10 illustrates how the system, the code, and the data are protected in the
X-CUBE-SBSFU application example featuring the STM32L4 Series combined with
STSAFE-A100.
Figure 11. STM32L4 / STSAFE-A100 protection overview during SBSFU execution
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