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The 5-position joystick control on the MCB54110 board connects to the 16-bit GPIO expander (IC31) ports P00-P04. Each switch movement grounds one of 5 extended GPIO pins on port PC depending on how the the joystick control handle is positioned. The control may be positioned left, right, up, down or pushed toward the board (center).

  • The Left joystick position connects the P01 port to ground.
  • The Right joystick position connects the P03 port to ground.
  • The Up joystick position connects the P00 port to ground.
  • The Down joystick position connects the P02 port to ground.
  • The Center joystick position connects the P04 port to ground.

MCB54110 Board Joystick

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