Tightly Coupled Memory Interface - 2025.2 English - UG1304

Versal Adaptive SoC System Software Developers Guide (UG1304)

Document ID
UG1304
Release Date
2025-12-08
Version
2025.2 English

The per-core TCM can be configured for the following modes:

Split, performance mode
While running the RPU in split mode, each core can only access 128 KB of TCM.
Lock-step, safety mode
While running in the lock-step mode, the RPU for Versal AI Edge Series Gen 2 and Versal Prime Series Gen 2 devices has access to the entire 128 KB of TCM.

Refer to RPU Subsystem Interconnect Diagram in Versal AI Edge Series Gen 2 and Prime Series Gen 2 Technical Reference Manual (AM026).