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Visitor II
August 15, 2025
Question

STLink-v3Mods Pinout

  • August 15, 2025
  • 1 reply
  • 610 views

Hello, I just bought a Stlink-v3mods. I was wondering what's the pinout of the cn3 connector. I couldn't find anywhere on the documentation.

 

Thanks.

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    1 reply

    Super User
    August 15, 2025

    Hi,

    same as on V3 mini : reserved, maybe its the SWD for programming the 723 cpu.

    https://community.st.com/t5/stm32-mcus-boards-and-hardware/stlinkv3-mini-cn3-and-reset-usage/m-p/281322

    AScha3_0-1755287566884.png

     

    Technical Moderator
    August 16, 2025

    Hello,

    CN3 is a system connector not associated to any user's function.