NEO-D0

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Revision as of 22:25, 11 October 2016 by Furrtek (talk | contribs)
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NEO-D0 chip found on an AES board.

Maybe similar to NEO-SUD on the NeoGeo CD. Close to the audio hardware.

Pinout

File:Neo-d0 pinout.png

OpenOffice Draw file: File:Neo-d0.odg

Signals

  • D0~D5: 68k data bus for joypad outputs
  • BNK0~BNK2: Memory card upper address lines to NEO-E0
  • A4: 68k address line
  • 4116CS: Z80 RAM /CS
  • 2610*: YM2610 control lines
  • OUT1~OUT6: Joypad outputs
  • SDMRD/SDMRW: Z80 ROM/RAM control lines
  • SDRD0/SDRD1: Z80 port reads to NEO-ZMC in cartridge
  • SDZ80*: Control lines to NEO-C1