NEO-D0: Difference between revisions

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[[File:aes_d0.jpg|right|thumb|NEO-D0 chip found on an AES board.]]
[[File:aes_d0.jpg|right|thumb|NEO-D0 chip found on an AES board.]]
*Clock generation
*[[YM2610]] control
*Z80 port control (I/O to 68k and YM2610)
*[[Memory card]] banking
*Joypad outputs


Probably similar to [[NEO-SUD]] on the NeoGeo CD. Close to the audio hardware.
Probably similar to [[NEO-SUD]] on the NeoGeo CD. Close to the audio hardware.

Revision as of 06:48, 6 January 2013

NEO-D0 chip found on an AES board.
  • Clock generation
  • YM2610 control
  • Z80 port control (I/O to 68k and YM2610)
  • Memory card banking
  • Joypad outputs

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

Pinouts

File:Neo-d0 pinout.png

OpenOffice Draw file: File:Neo-d0.odg

  • D0~D5: 68k data bus
  • BNK0~BNK2: To NEO-E0 (on multislot boards ?)
  • A4: 68k address line
  • 4116CS: Z80 RAM /CS
  • 2610*: YM2610 control lines
  • OUT1~OUT6: Joypad outputs
  • SDMRD/SDMRW: Z80 SM1/RAM control lines
  • SDZ80*: From NEO-C1