88 pinout: Difference between revisions

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'''88''' is the marking on an [[MMC3]] clone used in pirate games.
#REDIRECT [[MMC3 pinout]]
 
<pre>
                  .--\/--.           
  (r) CHR A13 <- |01  40| <- PPU A10 (f)
  (r) CHR A14 <- |02  39| <- PPU A11 (f)
  (r) CHR A12 <- |03  38| <- PPU A12 (f)
(f) CIRAM A10 <- |04  37| -> CHR A10 (r)
  (r) CHR A15 <- |05  36| -> CHR A16 (r)
  (r) CHR A17 <- |06  35| -> CHR A11 (r)
      (f) /IRQ <- |07  34| -> PRG RAM +WE (w)
  (f) /ROMSEL -> |08  33| -> PRG RAM /WE (w)
          GND -- |09  32| -- GND
      (f) R/W -> |10  31| <- CPU D3 (fr)
  (r) PRG A15 <- |11  30| <- CPU D2 (fr)
  (r) PRG A13 <- |12  29| <- CPU D4 (fr)
  (f) CPU A14 -> |13  28| <- CPU D1 (fr)
  (r) PRG A16 <- |14  27| <- CPU D5 (fr)
  (r) PRG A18 <- |15  26| <- CPU D0 (fr)
  (f) CPU A13 -> |16  25| <- CPU D6 (fr)
  (r) PRG A17 <- |17  24| <- CPU A0 (fr)
  (r) PRG A14 <- |18  23| <- CPU D7 (fr)
  (r) PRG /CE <- |19  22| -> PRG RAM /CE (w)
          VCC -- |20  21| <- M2 (f)
                  '------'
</pre>
Key:
;(r): To ROM (and WRAM if applicable)
;(w): To WRAM only
;(f): To Control Deck only
;(fr): Shared bus with ROM, WRAM, and Control Deck
 
== See also ==
*[[MMC3 pinout]]
*[[AX5202P pinout]]
 
== References ==
*[https://forums.nesdev.org/viewtopic.php?p=210784#p210784 MMC3 clone labeled 88] by Fisher
[[Category:Pinouts]]

Latest revision as of 07:48, 7 September 2019

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