fsmc and usart3

13874801824 · ‎2013-02-01

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

Amel NASRI · ‎2013-03-07

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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