Read-Modify-Write Core

Read-Modify-Write Core
The Read-Modify-Write (RMW) Core from Rambus handles misaligned bursts when an Error Correction Code (ECC) is being used.
An ECC code word must be calculated over an entire data word. Misaligned bursts can have partial data words at the front and back end of the burst. To calculate the correct ECC code word, the Read-Modify-Write Core forms the correct starting and ending data words by reading the existing data words and combining them appropriately with the new partial data words.
The core performs address translation from byte addressing to the 64-bit or 128-bit addressing of the memory devices.

Related Keywords

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