Amiga Mouse/Joystick/Lightpen Ports

DB 9-pin Male

If Port Is Used As Mouse/Trackball

PIN MNEMONIC DESCRIPTION
1 V Vertical Pulses
2 H Horizontal Pulses
3 VQ Vertical Quadrature Pulses
4 HQ Horizontal Quadrature Pulses
5 UBUT* Unused Mouse Button (middle)
6 LBUT* Left Button
7 +5V +5V, Current Limited
8 GROUND
9 RBUT* Right Button

If Port Is Used As Joystick

PIN MNEMONIC DESCRIPTION
1 FORWARD* Forward Joystick Switch
2 BACK* Back Joystick Switch
3 LEFT* Left Joystick Switch
4 RIGHT* Right Joystick Switch
5 Unused
6 FIRE* Left Button
7 +5V +5V, 125ma Max, 200ma Surge
8 GROUND
9 Unused