MEMORY ACCESS ALIGNMENT IN A DOUBLE DATA RATE ('DDR') SYSTEM

Memory access alignment in a double data rate ('DDR') system, including: executing, by a memory controller, one or more write operations to a predetermined address of a DDR memory module, including sending to the DDR memory module a predetermined amount of data of a predetermined pattern a...

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Bibliographische Detailangaben
Hauptverfasser: LIKOVICH, JR. ROBERT B, JENKINS STEVEN K, TROMBLEY MICHAEL R
Format: Patent
Sprache:eng
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Zusammenfassung:Memory access alignment in a double data rate ('DDR') system, including: executing, by a memory controller, one or more write operations to a predetermined address of a DDR memory module, including sending to the DDR memory module a predetermined amount of data of a predetermined pattern along with a data strobe signal; executing, by the memory controller, a plurality of read operations from the predetermined address of the DDR memory module, including capturing data transmitted from the DDR memory module; and determining, by the memory controller, a read adjust value and a write adjust value in dependence upon the data captured in response to the read operations.