Tightly Coupled Memory Interface - 2023.2 English

Versal Adaptive SoC System Software Developers Guide (UG1304)

Document ID
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2023.2 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 devices has access to the entire 256 KB of TCM.