NES Cartridge

Available at Nintendo NES.

Pinout

 ________
|*       |
]        [
]        [
]        [
]        [
]        [
] +----+ [
] |6502| [
] |BUS | [
] +----+ [
]        [
]        [
]        [
]        [
]        [
]        [
] +----+ [
] |EXP.| [
] |PORT| [
] +----+ [
]        [
]        [
]        [
]        [
]        [
] +----+ [
] |2C02| [
] |BUS | [
] +----+ [
]        [
]        [
]        [
]        [
]        [
] +----+ [
] |CIC | [
] +----+ [
|________|

Pin	Name	Direction	Description
01	GND		Ground
02	A11		Address 11
03	A10		Address 10
04	A9		Address 9
05	A8		Address 8
06	A7		Address 7
07	A6		Address 6
08	A5		Address 5
09	A4		Address 4
10	A3		Address 3
11	A2		Address 2
12	A1		Address 1
13	A0		Address 0
14	R/W		Read/Write
15	/IRQ		Interrupt
16	(42)		Connected to expansion port pin #42
17	(41)		Connected to expansion port pin #41
18	(40)		Connected to expansion port pin #40
19	(39)		Connected to expansion port pin #39
20	(38)		Connected to expansion port pin #38
21	/R		Read
22	VA10		CIRAM Address 10?
23	A6		Address 6
24	A5		Address 5
25	A4		Address 4
26	A3		Address 3
27	A2		Address 2
28	A1		Address 1
29	A0		Address 0
30	D0		Data 0
31	D1		Data 1
32	D2		Data 2
33	D3		Data 3
34	S0		Security
35	S1		Security
36	VCC	>
37	21.48MHZ
38	PHI2
39	A12
40	A13
41	A14
42	D7
43	D6
44	D5
45	D4
46	D3
47	D2
48	D1
49	D0
50	/PRG		(/A15 & /M2 ?)
51	(06)		Connected to expansion port pin #6
52	(07)		Connected to expansion port pin #7
53	(08)		Connected to expansion port pin #8
54	(09)		Connected to expansion port pin #9
55	(10)		Connected to expansion port pin #10
56	/W		Write
57	/VCS		CIRAM /CE
58	/A13		Address 13
59	A7		Address 7
60	A8		Address 8
61	A9		Address 9
62	A11		Address 11
63	A10		Address 10
64	A12		Address 12
65	A13		Address 13
66	D7		Data 7
67	D6		Data 6
68	D5		Data 5
69	D4		Data 4
70	S2		Security
71	4MHZ		4 MHz clock
72	GND		Ground

Note: Direction is console relative cartridge.

Contributions

Joakim Ögren

Sources

• NES hardware development guide (April 23rd, 2004) by Brad Taylor
• NES Cart Types by Kevin Horton