Master System:Connector Pinouts: Difference between revisions

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(flag active low pins, add pinout category)
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[[Category:Pinouts]]
==AV Out==
==AV Out==
<small>Note: Connector is the female end at the console. This connector is not present on the NTSC and PAL Master System II.</small>
<small>Note: Connector is the female end at the console. This connector is not present on the NTSC and PAL Master System II.</small>
Line 48: Line 49:
|A2
|A2
|'''B3'''
|'''B3'''
|!CSRAM
|{{ActiveLow|CSRAM}}
|-
|-
|'''A4'''
|'''A4'''
|A3
|A3
|'''B4'''
|'''B4'''
|!EXM1
|{{ActiveLow|EXM1}}
|-
|-
|'''A5'''
|'''A5'''
|A4
|A4
|'''B5'''
|'''B5'''
|!RD
|{{ActiveLow|RD}}
|-
|-
|'''A6'''
|'''A6'''
|A5
|A5
|'''B6'''
|'''B6'''
|!WR
|{{ActiveLow|WR}}
|-
|-
|'''A7'''
|'''A7'''
|A6
|A6
|'''B7'''
|'''B7'''
|Unused (Mark III) / !RST (MK-2000)
|Unused (Mark III) / {{ActiveLow|RST}} (MK-2000)
|-
|-
|'''A8'''
|'''A8'''
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|A8
|A8
|'''B9'''
|'''B9'''
|Unused (Mark III) / !MREQ (MK-2000)
|Unused (Mark III) / {{ActiveLow|MREQ}} (MK-2000)
|-
|-
|'''A10'''
|'''A10'''
|A9
|A9
|'''B10'''
|'''B10'''
|!MREQ (Mark III) / !CE4 (MK-2000)
|{{ActiveLow|MREQ}} (Mark III) / {{ActiveLow|CE4}} (MK-2000)
|-
|-
|'''A11'''
|'''A11'''
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|D4
|D4
|'''B19'''
|'''B19'''
|!EXM2
|{{ActiveLow|EXM2}}
|-
|-
|'''A20'''
|'''A20'''
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|-
|-
|'''50'''
|'''50'''
|!NMI
|{{ActiveLow|NMI}}
|'''49'''
|'''49'''
|!CSRAM
|{{ActiveLow|CSRAM}}
|-
|-
|'''48'''
|'''48'''
|!KBSEL
|{{ActiveLow|KBSEL}}
|'''47'''
|'''47'''
|Clock
|Clock
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|Reset
|Reset
|'''45'''
|'''45'''
|!BUSACK
|{{ActiveLow|BUSACK}}
|-
|-
|'''44'''
|'''44'''
|!BUSREQ
|{{ActiveLow|BUSREQ}}
|'''43'''
|'''43'''
|!KILLGA
|{{ActiveLow|KILLGA}}
|-
|-
|'''42'''
|'''42'''
|!INT
|{{ActiveLow|INT}}
|'''41'''
|'''41'''
|!WAIT
|{{ActiveLow|WAIT}}
|-
|-
|'''40'''
|'''40'''
|!HALT
|{{ActiveLow|HALT}}
|'''39'''
|'''39'''
|!REFSH
|{{ActiveLow|REFSH}}
|-
|-
|'''38'''
|'''38'''
|!IOREQ
|{{ActiveLow|IOREQ}}
|'''37'''
|'''37'''
|!M1
|{{ActiveLow|M1}}
|-
|-
|'''36'''
|'''36'''
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|D7
|D7
|'''13'''
|'''13'''
|!CE3
|{{ActiveLow|CE3}}
|-
|-
|'''12'''
|'''12'''
|A10
|A10
|'''11'''
|'''11'''
|!EXM2
|{{ActiveLow|EXM2}}
|-
|-
|'''10'''
|'''10'''
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|A14
|A14
|'''5'''
|'''5'''
|!EXM1
|{{ActiveLow|EXM1}}
|-
|-
|'''4'''
|'''4'''
|!RD
|{{ActiveLow|RD}}
|'''3'''
|'''3'''
|!MREQ
|{{ActiveLow|MREQ}}
|-
|-
|'''2'''
|'''2'''
|!WR
|{{ActiveLow|WR}}
|'''1'''
|'''1'''
|5V
|5V
Line 328: Line 329:
| 6 || Unused
| 6 || Unused
|-
|-
| 7 || !IOREQ
| 7 || {{ActiveLow|IOREQ}}
|-
|-
| 8 || CONT
| 8 || CONT
|-
|-
| 9 || !WR
| 9 || {{ActiveLow|WR}}
|-
|-
| 10 || !RD
| 10 || {{ActiveLow|RD}}
|-
|-
| 11 || !KBSEL
| 11 || {{ActiveLow|KBSEL}}
|-
|-
| 12 || D7
| 12 || D7
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| 21 || A0
| 21 || A0
|-
|-
| 22 || !KILLGA
| 22 || {{ActiveLow|KILLGA}}
|-
|-
| 23 || 5V
| 23 || 5V

Revision as of 22:27, 19 February 2023

AV Out

Note: Connector is the female end at the console. This connector is not present on the NTSC and PAL Master System II.

8pindin262.png
Pin # Description
1 Composite Video Out (SMS and Mark III) / Unused (French SMS and French SMS II)
2 Ground
3 Audio Out
4 Green
5 5V
6 Composite Sync
7 Red
8 Blue

Cartridge Port (Mark III and Japanese SMS (MK-2000)

Note: Pins A1 through A22 are towards the back and numbered from left to right. Pins B1 through B22 are towards the front and numbered the same way.

Pin # Description Pin # Description
A1 A0 B1 5V
A2 A1 B2 5V
A3 A2 B3 CSRAM
A4 A3 B4 EXM1
A5 A4 B5 RD
A6 A5 B6 WR
A7 A6 B7 Unused (Mark III) / RST 
(MK-2000)
A8 A7 B8 Unused
A9 A8 B9 Unused (Mark III) / MREQ 
(MK-2000)
A10 A9 B10 MREQ 
(Mark III) / CE4
(MK-2000)
A11 A10 B11 CONT
A12 A11 B12 Unused
A13 A12 B13 Unused
A14 A13 B14 Unused
A15 D0 B15 Unused
A16 D1 B16 Unused
A17 D2 B17 Unused
A18 D3 B18 A14
A19 D4 B19 EXM2
A20 D5 B20 Unused
A21 D6 B21 Ground
A22 D7 B22 Ground

Cartridge Port (Export SMS)

Note: Odd numbered pins are towards the back and numbered from right to left. Even numbered pins are towards the front and also numbered from right to left. This table is oriented so the front of the port is facing left.

Pin # Description Pin # Description
50 NMI 49 CSRAM
48 KBSEL 47 Clock
46 Reset 45 BUSACK
44 BUSREQ 43 KILLGA
42 INT 41 WAIT
40 HALT 39 REFSH
38 IOREQ 37 M1
36 A15 35 5V
34 CONT 33 A12
32 A7 31 A6
30 A5 29 A4
28 A3 27 A2
26 A1 25 A0
24 D0 23 D1
22 D2 21 Ground
20 Ground 19 Ground
18 D3 17 D4
16 D5 15 D6
14 D7 13 CE3
12 A10 11 EXM2
10 A11 9 A9
8 A8 7 A13
6 A14 5 EXM1
4 RD 3 MREQ
2 WR 1 5V

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. This pinout is mostly identical to the SG-1000.

DB9 Female.svg
Pin # Description
1 Up
2 Down
3 Left
4 Right
5 Unused
6 Button 1
7 TH/Light Phaser trigger (Master System) / Ground (Mark III, console side only)
8 Ground
9 Button 2

Mark III Expansion Port

This expansion port is only found on the Mark III and is mostly identical to the one in the SG-1000 and SG-1000 II.

Note: Pins are numbered from left to right with the edge of the connector facing forward.

Pin # Description
1 Ground
2 Ground
3 Ground
4 Ground
5 A2
6 Unused
7 IOREQ
8 CONT
9 WR
10 RD
11 KBSEL
12 D7
13 D6
14 D5
15 D4
16 D3
17 D2
18 D1
19 D0
20 A1
21 A0
22 KILLGA
23 5V
24 5V
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