Tightly Coupled Memory Interface - 2022.1 English

Versal ACAP System Software Developers Guide (UG1304)

Document ID
Release Date
2022.1 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 has access to the entire 256 KB of TCM.