Saturn Cable Setup Guide - GrechTech/RetroRosetta GitHub Wiki
RetroRosetta Pinout
- RetroRosetta config
- Place a jumper cap across row 20 (A and B) of the RetroRosetta header
- Place a jumper cap across row 19 (A and B)
- Place a jumper cap across row 17 (A and B)
- [1 Player Only] RetroRosetta config
- Place a jumper cap across row 16 (A and B)
- Place a jumper cap across row 15 (A and B)
- Place a jumper cap across row 12 (A and B)
- Place a jumper cap across row 6 (A and B)
- Place a jumper cap across row 5 (A and B)
- Place a jumper cap across row 2 (A and B)

LevelShifter Pinout
- Level Shifter Power config
- Place a jumper cap across the B/5V pins of header J6
- [2 Player] Place a jumper cap across the C/5V pins of header J6
- Place a jumper cap across the D/3V3 pins of header J6
- Level Shifter IO config
- Place a jumper cap on A1E on header J1
- Place a jumper cap on A2E on header J1
- Place a jumper cap on A3E on header J1
- Place a jumper cap on A4E on header J1
- Place a jumper cap on B1E on header J2
- Place a jumper cap on B2E on header J2
- Place a jumper cap on B3E on header J2
- Place a jumper cap on B4E on header J2
- [2 Player] Place a jumper cap on C1E on header J3
- [2 Player] Place a jumper cap on C2E on header J3
- [2 Player] Place a jumper cap on C3E on header J3
- [2 Player] Place a jumper cap on C4E on header J3
- Place a jumper cap on D1E on header J4
- Place a jumper cap on D2E on header J4
- Place a jumper cap on D3E on header J4
- Place a jumper cap on D4E on header J4
- Place a jumper cap on A3A on header J1
- Place a jumper cap on A4A on header J1
- [1 Player Only] Place a jumper cap on A2A on header J1
- [1 Player Only] Place a jumper cap on D3A on header J4
- [1 Player Only] Place a jumper cap on D4A on header J4
Cable Pinout (Looking at cable end)
*(5V input pins are on the side of header J6 that is towards the centre of the PCB)
**(GND input pins are on the side of header J6 that is towards the edge of the PCB)
*(5V input pins are on the side of header J6 that is towards the centre of the PCB)
**(GND input pins are on the side of header J6 that is towards the edge of the PCB)
- Black – 5V
- White – U
- Grey – D
- Blue – TH
- Green – TR
- Yellow – TL
- Orange – R
- Red – L
- Brown – GND
-
Level Shifter Input wiring [Player 1]
- Connect 5V (Black / Pin 1 of Player 1) to a 5V input pin *
- Connect D1 (White / Pin 2 of Player 1) to B1Y on header J2
- Connect U1 (Grey / Pin 3 of Player 1) to B2Y on header J2
- Connect TH1 (Blue / Pin 4 of Player 1) to D1A on header J4
- Connect TR1 (Green / Pin 5 of Player 1) to D2A on header J4
- Connect TL1 (Yellow / Pin 6 of Player 1) to A1Y on header J1
- Connect R1 (Orange / Pin 7 of Player 1) to B3Y on header J2
- Connect L1 (Red / Pin 8 of Player 1) to B4Y on header J2
- Connect GND (Brown / Pin 9 of Player 1) to a GND input pin**
-
Level Shifter Input wiring [Player 2]
- Connect 5V (Black / Pin 1 of Player 2) to a 5V input pin *
- Connect D2 (White / Pin 2 of Player 2) to C1Y on header J2
- Connect U2 (Grey / Pin 3 of Player 2) to C2Y on header J2
- Connect TH2 (Blue / Pin 4 of Player 2) to D3A on header J4
- Connect TR2 (Green / Pin 5 of Player 2) to D4A on header J4
- Connect TL2 (Yellow / Pin 6 of Player 2) to A2Y on header J1
- Connect R2 (Orange / Pin 7 of Player 2) to C3Y on header J2
- Connect L2 (Red / Pin 8 of Player 2) to C4Y on header J2
- Connect GND (Brown / Pin 9 of Player 2) to a GND input pin**
-
Output wiring [Level Shifter to RetroRosetta Core]
- Connect GND of LevelShifter** to RetroRosetta pin 18A
- Connect 5V of LevelShifter* to RetroRosetta pin 19D
- Connect 3.3V to LevelShifter to RetroRosetta pin 14A
- Connect A1A to RetroRosetta pin 13B
- Connect B1A to RetroRosetta pin 8B
- Connect B2A to RetroRosetta pin 4B
- Connect B3A to RetroRosetta pin 1B
- Connect B4A to RetroRosetta pin 7B
- Connect D1Y to RetroRosetta pin 18B
- Connect D2Y to RetroRosetta pin 14B
- [2 Player] Connect C1A to RetroRosetta pin 5B
- [2 Player] Connect C2A to RetroRosetta pin 6B
- [2 Player] Connect D3Y to RetroRosetta pin 12B
- [2 Player] Connect D4Y to RetroRosetta pin 10B
- [2 Player] Connect A2A to RetroRosetta pin 16B
- [2 Player] Connect C3A to RetroRosetta pin 15B
- [2 Player] Connect C4A to RetroRosetta pin 2B