When the parameter ECC is ON, the ECC modules are instantiated and read and write data latency through the MC increases by one system clock cycle. When ECC is OFF, the data buses just pass through the MC and all ECC logic should be optimized out.
When the parameter ECC is ON, the ECC modules are instantiated and read and write data latency through the MC increases by one system clock cycle. When ECC is OFF, the data buses just pass through the MC and all ECC logic should be optimized out.