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
