GBA:Connector Pinouts

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Cartridge

Pins are numbered left to right, cartridge label up. There is a switch in the cartridge slot used to differentiate between DMG/CGB and AGB cartridges. When the switch is activated, the pinout is the same as the Game Boy.

Pin Function Pin Function Pin Function Pin Function
01 +3.3V 11 Data/Address Bit 5 21 Data/Address Bit 15 31 IRQ
02 CLOCK 12 Data/Address Bit 6 22 Address Bit 16 32 GROUND
03 WRITE 13 Data/Address Bit 7 23 Address Bit 17
04 READ 14 Data/Address Bit 8 24 Address Bit 18
05 CHIP SELECT 15 Data/Address Bit 9 25 Address Bit 19
06 Data/Address Bit 0 16 Data/Address Bit 10 26 Address Bit 20
07 Data/Address Bit 1 17 Data/Address Bit 11 27 Address Bit 21
08 Data/Address Bit 2 18 Data/Address Bit 12 28 Address Bit 22
09 Data/Address Bit 3 19 Data/Address Bit 13 29 Address Bit 23
10 Data/Address Bit 4 20 Data/Address Bit 14 30 CHIP SELECT 2

GBA SP Power / Headphone Connector

The GBA SP uses a connector which combines power delivery and audio output.

EXT.2
Pin Name Description
1 P31 Left Audio
2 P32 Supply 5.2v
3 P33 Right Audio
4 P34 Audio GND
5 P35 Audio Disable
6 P36 Supply GND

Link Port

GBA / GBA SP

GBA link cable pin numbering
EXT / EXT.1
Pin Name
1 VDD
2 SO
3 SI
4 SD
5 SC
6 GND

Micro

The Game Boy Advance Micro uses a single connector for both power and link cable.

EXT.
Pin Name
1 Supply 5.2v
2 Serial 3.3v
3 SO
4 SI
5 SD
6 SC
7 Serial GND
8 Supply GND