Famicom expansion port pinout: Difference between revisions
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m (I'm evidently bad at things) |
(Joypad2 D0 is only an input on ones where player 2 has been removed.) |
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| 09 | /OE for joypad 2 | | 09 | /OE for joypad 2 | ||
SOUND | 02 | | SOUND | 02 | | ||
| 10 | | | 10 | Out 2 ($4016.2) | ||
IRQ | 03 | | IRQ | 03 | | ||
| 11 | | | 11 | Out 1 ($4016.1) | ||
Joypad 2 D4 | 04 | | |||
| 12 | | | 12 | Out 0 ($4016.0, Strobe) | ||
Joypad 2 D3 | 05 | | |||
| 13 | | | 13 | Joypad 1 D1 | ||
Joypad 2 D2 | 06 | | |||
| 14 | /OE for | | 14 | /OE for Joypad 1 | ||
Joypad 2 D1 | 07 | | |||
| 15 | +5V | | 15 | +5V | ||
Joypad 2 D0 | 08 / | |||
| / | | / | ||
\/ | \/ | ||
===Signal descriptions=== | ===Signal descriptions=== | ||
;Digital inputs to the Famicom:Joypad 1 D1, Joypad 2 | ;Digital inputs to the Famicom:Joypad 1 D1, Joypad 2 D1…D4 | ||
;Digital outputs from the Famicom:Out 0, 1, 2; /OE for both joypads | ;Digital outputs from the Famicom:Out 0, 1, 2; /OE for both joypads | ||
;Open-collector bidirectional: IRQ | ;Open-collector bidirectional: IRQ | ||
;Analog outputs: SOUND (before expansion audio is mixed in) | ;Analog outputs: SOUND (before expansion audio is mixed in) | ||
;Depends on context: Joypad 2 D0 (In the original famicom, permanently connected to player 2 controller, so an output. On the AV famicom, the player 2 controller could be removed, and allow for this to be an input) | |||
Revision as of 23:30, 1 March 2015
Pinout of 15-pin Famicom expansion port
( Female DA-15 on peripheral )
/\
| \
GND | 01 \
| 09 | /OE for joypad 2
SOUND | 02 |
| 10 | Out 2 ($4016.2)
IRQ | 03 |
| 11 | Out 1 ($4016.1)
Joypad 2 D4 | 04 |
| 12 | Out 0 ($4016.0, Strobe)
Joypad 2 D3 | 05 |
| 13 | Joypad 1 D1
Joypad 2 D2 | 06 |
| 14 | /OE for Joypad 1
Joypad 2 D1 | 07 |
| 15 | +5V
Joypad 2 D0 | 08 /
| /
\/
Signal descriptions
- Digital inputs to the Famicom
- Joypad 1 D1, Joypad 2 D1…D4
- Digital outputs from the Famicom
- Out 0, 1, 2; /OE for both joypads
- Open-collector bidirectional
- IRQ
- Analog outputs
- SOUND (before expansion audio is mixed in)
- Depends on context
- Joypad 2 D0 (In the original famicom, permanently connected to player 2 controller, so an output. On the AV famicom, the player 2 controller could be removed, and allow for this to be an input)
