Game Gear Cartridge
From HwB
Available at Sega Game Gear.
[edit] Pinout
45 1 44 2 +---------------+ || | | | | | | || | | | | | | | | | (at the cartridge) | | | |
| Pin | Dir | Name | Description |
|---|---|---|---|
| 1 |  | +34V | Liquid drive ? |
| 2 |  | +5V | Power +5V |
| 3 | | /WR | Write |
| 4 | | A12 | Address bit12 |
| 5 | | A7/CL1B3 | Address bit7 |
| 6 | | A6/CL1A2 | Address bit6 |
| 7 | | A5/CL1B2 | Address bit5 |
| 8 | | A4/CL1A1 | Address bit4 |
| 9 | | A3/CL1B1 | Address bit3 |
| 10 | | A2/DW | Address bit2 |
| 11 | | A1/DO3 | Address bit1 |
| 12 | | A0/DO1 | Address bit0 |
| 13 |  | D0/DB | Data bit0 |
| 14 | | D1/P3 | Data bit1 |
| 15 | | D2/P2 | Data bit2 |
| 16 | | GND D | Ground (Digital) |
| 17 | | GND A | Ground (Analog) |
| 18 | | GND D | Ground (Digital) |
| 19 | | D3/P4 | Data bit3 |
| 20 | | D4/P1 | Data bit4 |
| 21 | | D5/CL2 | Data bit5 |
| 22 | | D6/DO2 | Data bit6 |
| 23 | | D7/DO4 | Data bit7 |
| 24 | ? | /MREQ | Memory Request (Cartridge Output Enable) |
| 25 | | A10/TPR2 | Address bit10 |
| 26 | | /RD | Read signal |
| 27 | ? | /M0-7 | Memory 0000h-7FFFh |
| 28 | | A15 | Address bit15 |
| 29 | | A11 | Address bit11 |
| 30 | | A9/TPR1 | Address bit9 |
| 31 | | A8/CLIA3 | Address bit8 |
| 32 | | A13 | Address bit13 |
| 33 | | A14 | Address bit14 |
| 34 | ? | /M8-B | Memory 8000h-B000h |
| 35 | | +5V | Power +5V |
| 36 | ? | /M1 | M1 Cycle |
| 37 | ? | /IORQ | ? I/O Request |
| 38 | ? | /RFSH | Refresh |
| 39 | ? | /RESET | Reset |
| 40 | ? | CLK | ? Clock |
| 41 | | GND | Ground |
| 42 |  | /GG | MS/GG Video (zoomed mode) |
| 43 | | /TV | TV Cartridge Signal In |
| 44 | | TVSNDR | TV Sound R |
| 45 | | TVSNDL | TV Sound L |
Note: Direction is Console relative Cartridge
Note: / = Active Low