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13874801824
13874801824
Visitor II
February 1, 2013
Question

fsmc and usart3

  • February 1, 2013
  • 1 reply
  • 527 views
Posted on February 01, 2013 at 15:27

i'm using stm32F103zc

using its fsmc 8 bit mode and usart3

(PD8 PD9), can this design work ok?

thanks
    This topic has been closed for replies.

    1 reply

    Amel NASRI
    Amel NASRI
    ST Technical Moderator
    March 7, 2013
    Posted on March 07, 2013 at 12:23

    Hi Zhong,

    There is a conflict on pin PD8 when FSMC and USART3 are used under some conditions (stated in the 

    http://www.st.com/st-web-ui/static/active/en/resource/technical/document/errata_sheet/CD00197763.pdf

    ).

     If you aren't under the same conditions, you shoudn't face an issue using both of them.

    Anyway, the workaround is available and it is to use the USART's partial remap functionality or default config without remap.

    Bye

    ST.MCU

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