Clarification for EFM8 button MCU BRD_SEL pin


I am confused about what I should do for the BRD_SEL pin (P1.2) of the EFM8 button power MCU. In the Xavier NX Carrier Board schematic, it shows that the pin can either be pulled up for Galen/Xavier NX or pulled down for “Mystique”. I have no clue what this means and I want clarification.


Keep it same as reference (pull up) if you use same design to Xavier NX.

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