Mega Drive Cartridge
From HwB
Available at Sega Mega Drive/Genesis.
Pinout
B1 B32 Front ========================= A1 A32 Back
| Pin | Direction | Name | Description |
|---|---|---|---|
| A1 |  |
GND | Ground |
| A2 |  |
+5V | Power +5V |
| A3 | |
A8 | Address bit8 |
| A4 | |
A11 | Address bit11 |
| A5 | |
A7 | Address bit7 |
| A6 | |
A12 | Address bit12 |
| A7 | |
A6 | Address bit6 |
| A8 | |
A13 | Address bit13 |
| A9 | |
A5 | Address bit5 |
| A10 | |
A14 | Address bit14 |
| A11 | |
A4 | Address bit4 |
| A12 | |
A15 | Address bit15 |
| A13 | |
A3 | Address bit3 |
| A14 | |
A16 | Address bit16 |
| A15 | |
A2 | Address bit2 |
| A16 | |
A17 | Address bit17 |
| A17 | |
A1 | Address bit1 |
| A18 | |
GND | Ground |
| A19 |  |
D7 | Data bit7 |
| A20 | |
D0 | Data bit0 |
| A21 | |
D8 | Data bit8 |
| A22 | |
D6 | Data bit6 |
| A23 | |
D1 | Data bit1 |
| A24 | |
D9 | Data bit9 |
| A25 | |
D5 | Data bit5 |
| A26 | |
D2 | Data bit2 |
| A27 | |
D10 | Data bit10 |
| A28 | |
D4 | Data bit4 |
| A29 | |
D3 | Data bit3 |
| A30 | |
D11 | Data bit11 |
| A31 | |
+5V | Power +5V |
| A32 | |
GND | Ground |
| Pin | Direction | Name | Description |
|---|---|---|---|
| B1 | |
laudio | left audio input |
| B2 |  |
H_RESET | ? |
| B3 | |
raudio | right audio input |
| B4 | |
A9 | Address bit9 |
| B5 | |
A10 | Address bit10 |
| B6 | |
A18 | Address bit18 |
| B7 | |
A19 | Address bit19 |
| B8 | |
A20 | Address bit20 |
| B9 | |
A21 | Address bit21 |
| B10 | |
A22 | Address bit22 |
| B11 | |
A23 | Address bit23 |
| B12 | |
VIDEO | ? |
| B13 | |
VSYNC | ? |
| B14 | |
HSYNC | ? |
| B15 | |
HS_CLK | ? |
| B16 | - |
C_OE | Chip Output Enable |
| B17 | - |
C_CE | ? |
| B18 | - |
AS | Address Strobe |
| B19 | |
CLK | Clock |
| B20 | - |
DTACK | ? |
| B21 | |
? | ? |
| B22 | |
D15 | Data bit15 |
| B23 | |
D14 | Data bit14 |
| B24 | |
D13 | Data bit13 |
| B25 | |
D12 | Data bit12 |
| B26 | - |
LO_MEM | ? |
| B27 | - |
RESET | Reset |
| B28 | - |
LDSW | even words of SRAM |
| B29 | - |
UDSW | odd words of SRAM |
| B30 | - |
S_RESET | ? |
| B31 | |
? | phantom address line |
| B32 | - |
CART_IN | ? |
Note: Direction is Console relative Cartridge