Atari 5200:Connector Pinouts

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Cartridge Port

Note: Pins 1 through 18 are at the front and numbered from left to right. Pins 19 through 36 are at the back and numbered from right to left.

Pin # Description
1 D0
2 D1
3 D2
4 D3
5 D4
6 D5
7 D6
8 D7
9 Y1 (Cartridge Address 1)
10 Y2 (Cartridge Address 2)
11 Not Connected
12 Ground
13 Ground
14 Ground
15 A6
16 A5
17 A2
18 V
19 A0
20 A1
21 A3
22 A4
23 Shield Ground
24 Ground (4-port) / Video In (2-port)
25 Ground
26 5V
27 A7
28 Not Connected
29 A8
30 Not Connected (4-port) / Audio In (2-port)
31 A9
32 A13
33 A10
34 A12
35 A11
36 Cartridge Interlock

Pins 9 and 10 provide access to memory ranges $8000 to $BFFF and $4000 to $7FFF, respectively. Pins 18 and 36 act as a cartridge interlock to prevent the console from applying power to a cartridge which is not properly connected. When these two pins are shorted together, they provide 5V to the cartridge and allow the 5200 to boot.

Controller Port

Note: Female is connector at the console. Male is connector at the controller. Diagram pictured is of the connector at the controller end.

5200controller.png

Pin # Description Wire Color
1 Column Data (Right Keypad Column) Gray
2 Column Data (Middle Keypad Column) White
3 Column Data (Left Keypad Column) Black and White
4 Auxiliary Keypad Row Orange and White
5 Row Data (Keypad Row 3) Blue
6 Row Data (Keypad Row 2) Violet
7 Row Data (Keypad Row 1) Red and White
8 Row Data (Keypad Row 4) Green
9 Potentiometer Voltage (+CAV) Black
10 Potentiometer X Axis Brown
11 Potentiometer Y Axis Red
12 Unused N/A
13 Bottom Fire Button Yellow
14 Top Fire Button Green and White
15 Ground Orange

Expansion Port

Note: Pins 1 through 18 are at the top and numbered from left to right. Pins 19 through 36 are at the bottom and numbered from right to left.

Pin # Description
1 5V (VCC)
2 Not Connected (4-port) / Audio Out (2-port)
3 Ground
4 WE (Write Enable)
5 CS0
6 D6
7 D4
8 D2
9 D0
10 IRQ
11 Ground
12 Data In
13 Clock In
14 Clock Out
15 Data Out
16 Audio Input
17 A14
18 System Clock
19 A11
20 A7
21 A6
22 A5
23 A4
24 A3
25 A2
26 A1
27 A0
28 Ground
29 D1
30 D3
31 D5
32 D7
33 Not Connected
34 Ground
35 Not Connected
36 5V (VCC)