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frogsdaddy
Visitor II
June 25, 2025
Solved

Nucleo-G491RE and opamp1

  • June 25, 2025
  • 2 replies
  • 425 views

I am using Nucleo-G491RE. I am debugging through the built-in ST-Link using STM32CubeIDE 1.18.1. My design uses opamp1 in standalone mode, which assigns OPAMP1_VOUT to PA2 and OPAMP1_VINM to PA3. What configuration of solder bridges will bring these opamp signals to the Arduino or Morpho connectors?  I have studied the user manual (MB1367) section 6.7, but it is not clear to me.

    This topic has been closed for replies.
    Best answer by TDK

    SB18/SB22 on

    SB13/SB17/SB19/SB23 off

    TDK_1-1750888648506.png

     

    PA2/PA3 are then brought to the headers instead of the default PC4/PC5.

    2 replies

    T
    TDKAnswer
    Super User
    June 25, 2025

    SB18/SB22 on

    SB13/SB17/SB19/SB23 off

    TDK_1-1750888648506.png

     

    PA2/PA3 are then brought to the headers instead of the default PC4/PC5.

      A
      Andrew Neil
      Super User
      June 25, 2025

      It might be clearer to look at the schematics?

       

      F
      frogsdaddyAuthor
      Visitor II
      June 26, 2025
      Thank you. Where can I find the schematics? I have looked.
      T
      TDK
      Super User
      June 26, 2025

      On the product page under CAD Resources.

      https://www.st.com/en/evaluation-tools/nucleo-g491re.html#cad-resources

      https://www.st.com/resource/en/schematic_pack/mb1367-g491re-c05_schematic.pdf

       

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