65.1 Description

The Security Module (SECUMOD)

embeds the secure memories (5 Kbytes of SRAM and a 256-bit register bank) dedicated to the storage of sensitive data. These memories are scrambled with a programmable 32-bit key.

When a fault is detected, regardless of the source, a clear signal can be sent automatically to the secure memories and clear their contents.

For information specific to dynamic tamper protection (PIOBU), refer to the document SAMA5D2 External Tamper Protections.