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Thread: Question about SRAM declaration at XMC4700

  1. #1
    New Member New Member EbbeSand is on a distinguished road
    Join Date
    May 2017

    Question about SRAM declaration at XMC4700

    Short question I work with a XMC4700 board
    Overall, the controller has 352 Kbytes SRAM

    from data sheet:

    PSRAM 1FFE 8000-1FFF FFFF hex 96 KByte
    DSRAM 2000 0000-2001 FFFF hex 128 KByte
    CSRAM 2002 0000-2003 FFFF hex 128 KByte

    My question, can I use 150 kByte contiguously as GRAM Buffer

    Where and how would I have to declare such an area (DSRAM+CSRAM)?

    Thank you for your help


  2. #2

    Infineon Employee
    Infineon Employee
    jferreira will become famous soon enough
    Join Date
    Oct 2012

    The RAM in the XMC4700 is splitted among 3 different ram blocks although linear addressable (see linker file).
    You need only to take care that the buffer you declare is 4bytes aligned.

    The views expressed here are my personal opinions, have not been reviewed or authorized by Infineon and do not necessarily represent the views of Infineon.

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