Spacewire remote memory access protocol

Steve Parkes, Chris McClements

    Research output: Chapter in Book/Report/Conference proceedingConference contribution


    SpaceWire is a spacecraft onboard communications network used to connect together electronic sub-systems like sensors, mass-memory, processors, control and telemetry/telecommand units. SpaceWire provides high bandwidth communication using point-to-point links between sub-systems or networked interconnection using routing switches to forward packets of data across the network. SpaceWire has a simple interface which can be readily implemented in a range of different chip technologies including Field Programmable Gate Arrays (FPGAs). The SpaceWire standard defines “links, nodes and routers.” It does not define any higher level communications standards for operating over the SpaceWire network other than straightforward packet encapsulation. This paper
    describes the Remote Memory Access Protocol for SpaceWire which provides a standard method of reading and writing to registers and memory within a SpaceWire unit by sending a command and where appropriate receiving a reply across the network.
    Original languageEnglish
    Title of host publicationProceedings of the DASIA 2005
    Subtitle of host publicationDAta Systems in Aerospace
    Place of PublicationNoordwijk
    PublisherEuropean Space Agency
    Number of pages5
    ISBN (Electronic)92-9092-913-8
    Publication statusPublished - 2005
    EventData Systems in Aerospace - Sheraton Grand Hotel, Edinburgh, United Kingdom
    Duration: 30 May 20052 Jun 2005

    Publication series

    NameEuropean Space Agency, (Special Publication) ESA SP
    PublisherEuropean Space Agency
    ISSN (Electronic)1609-042X


    ConferenceData Systems in Aerospace
    Abbreviated titleDASIA 2005
    Country/TerritoryUnited Kingdom


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