NEO-D0

From NeoGeo Development Wiki
Revision as of 19:03, 28 August 2016 by Furrtek (talk | contribs) (→‎Pinouts)
Jump to navigation Jump to search
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.

Pinout

File:Neo-d0 pinout.png

OpenOffice Draw file: File:Neo-d0.odg

TODO: RESETP is an input.

Signals

  • 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