Peripheral Protection Unit Implementations - Peripheral Protection Unit Implementations - AM026

Versal AI Edge Series Gen 2 and Prime Series Gen 2 Technical Reference Manual (AM026)

Document ID
AM026
Release Date
2025-12-23
Revision
1.3 English

The peripheral protection unit (XPPU) in the Versal adaptive SoC is similar to the one in the Zynq UltraScale+ MPSoC except in the way an error is handled. The default setting is to deny a transaction.

Table 1. XPPU Peripheral Protection Unit Implementations
Device Generation Isolation, Parity, Protection, and Integrity Checking Error Handling Total Number of Apertures Dynamic Reconfiguration
UltraScale+ MPSoC Inserted on AXI channels Poison the base address

128x 32 B (IPI msg buffer)
256x 64 KB
16x 1 MB
1x 512 MB

No
Versal device Embedded into interconnect switches Issue a fail message on the interconnect back to initiator

~
256x 64 KB
16x 1 MB
1x 512 MB

Yes
Versal AI Edge Series Gen 2 and Versal Prime Series Gen 2 Embedded into interconnect switches     Yes