lpaulson:
Hey @MartinL how do you figure Digital pin 7 goes to PA21, from the Schematic it looks like PA21 goes to the ATN jumper. Am I missing somthing?
Check the variant files of the board, where every pin number are mapped.
lpaulson:
Hey @MartinL how do you figure Digital pin 7 goes to PA21, from the Schematic it looks like PA21 goes to the ATN jumper. Am I missing somthing?
Check the variant files of the board, where every pin number are mapped.