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KiCAD 8: alternative pin functions

Jan Cumps

I tried KiCAD's (not so) new alternative pin functions option in  the library editor.

I'm designing a project with a Renesas controller. There wasn't a symbol yet, so I started to create one. The majority of the mcu's pins have more than 5 functions. I figured this would be a good candidate to test the new option.

image

Here's the definition in the editor:

image

And a schematic with 3 symbols placed, with a few pins showing different functions.

image

I've attached the symbols: MCU_RENESAS_R_20240323_3.zip

It's a bit of work to get this set up, but it works well. Thoughts?

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  • in reply to Andrew J
    Andrew J said:
     I sometimes create a symbol where the pins are positioned based on keeping the schematic clean and easy to follow.

    Yes, I do the same. What the new option brings (if you make your version based on the generic one), is that you only have to focus on reordering pins. Then select the function you want.

    Here an example of the power section. Left my lib symbol. Right edited in the schematic to "fit for purpose":
    image