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jonas2399
jonas2399
Associate
March 29, 2010
Question

STM32F103VC and external SRAM

  • March 29, 2010
  • 3 replies
  • 781 views
Posted on March 29, 2010 at 14:20

STM32F103VC and external SRAM

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    3 replies

    Tesla DeLorean
    Tesla DeLorean
    Guru
    May 17, 2011
    Posted on May 17, 2011 at 13:45

    This isn't a multiplexed device?

    http://www.issi.com/pdf/61-64WV51216.pdf

    You'd need to set the STM32 up for PSRAM, with the byte lanes.

    Check the schematics provided for the STM3210E board

    http://www.st.com/stonline/books/pdf/docs/14220.pdf

    -Clive
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    jonas2399
    jonas2399Author
    Associate
    May 17, 2011
    Posted on May 17, 2011 at 13:45

    Also, I should have mentioned that I want to use FSMC.

    jonas2399
    jonas2399Author
    Associate
    May 17, 2011
    Posted on May 17, 2011 at 13:45

    Thanks for your answer. 

    The evaluation board is based around the STM32F103ZET6 which has a lot more pins than mine, and therefore don't  need the addres/data multiplexing. 

    The problem is that mine does not have enough pins for the adress bus, only eight. 

    So the question really is: How do I connect an external SRAM to the STM32F103VC, which does not have enough pins for the entire SRAM adress bus, using FSMC?

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