ECC Enable - 2022.2 English

Vitis Networking P4 User Guide (UG1308)

Document ID
2022.2 English

ECC is supported and enabled on the CAMs by default and cannot be disabled. ECC is disabled by default on Direct Tables, Counter Externs and re-alignment FIFOs but you can choose to enable it by selecting the associated box. This only applies where these are implemented in BRAM or URAM, ECC for LUTRAM is not supported. Any single-bit ECC errors are detected and corrected when data is read from the RAMs. Double-bit ECC errors are detected but cannot be automatically corrected. ECC errors are flagged to software via an interrupt port irq (see Vitis Networking P4 Tool Interface. The Statistics register, if enabled, includes ECC debug/status registers (see Register Map.