Famicom expansion port pinout: Difference between revisions

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(#REDIRECT Expansion port)
 
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==Pinout of 15-pin Famicom expansion port==
#REDIRECT [[Expansion port]]
              /\
            |  \
        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 D0…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)

Latest revision as of 08:30, 21 November 2017

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