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g_giacomello
g_giacomello
Associate II
June 27, 2010
Question

Problem with STM3210C-EVAL Boot Loader on COM port

  • June 27, 2010
  • 3 replies
  • 761 views
Posted on June 27, 2010 at 19:00

Problem with STM3210C-EVAL Boot Loader on COM port

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    3 replies

    g_giacomello
    g_giacomelloAuthor
    Associate II
    May 17, 2011
    Posted on May 17, 2011 at 13:56

    Ok you are right, but with this HW configuration isn't  possible to enter in ''System Memory'' boot mode, thath I think is the much used.

    swhite2
    swhite2
    Associate II
    May 17, 2011
    Posted on May 17, 2011 at 13:56

    D1 is oriented correctly on the SM3210C board (just checked the schematic) BUT it'll only be useful if SW2 is in the 1-2 position and JP18 is shorted. In that scenario BOOT0 is pulled to 3.3V via R61 (10K) so taking ''Bootloader BOOT0'' low will cause BOOT0 to go low.

    swhite2
    swhite2
    Associate II
    May 17, 2011
    Posted on May 17, 2011 at 13:56

    Sure it is. If SW2 is in the 1-2 position:

    ''Bootloader BOOT0'' = (low) 0 ==> normal mode

    ''Bootloader BOOT0'' = 1 (high/open) ==> bootloader mode

    If you meant bootload into RAM then no you need BOOT1 to do that.

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