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 | *Clock divider | ||
*[[ | *{{Chipname|Z80}} memory and [[Z80 port map|port]] control | ||
* | *{{Chipname|YM2610}} interface | ||
*[[Memory card]] | *[[Memory card]] bank selection | ||
*Joypad outputs | *[[Joypad]] outputs | ||
Maybe similar to {{Chipname|NEO-SUD}} on the NeoGeo CD. Close to the audio hardware. | |||
=Pinout= | =Pinout= | ||
Line 13: | Line 13: | ||
OpenOffice Draw file: [[File:neo-d0.odg]] | OpenOffice Draw file: [[File:neo-d0.odg]] | ||
=Signals= | =Signals= | ||
*D0~D5: | *D0~D5: {{Chipname|68k}} data bus for joypad outputs | ||
*BNK0~BNK2: | *BNK0~BNK2: Memory card upper address lines to {{Chipname|NEO-E0}} | ||
*A4: 68k address line | *A4: 68k address line | ||
*4116CS: | *4116CS: Z80 RAM /CS | ||
*2610*: | *2610*: YM2610 control lines | ||
*OUT1~OUT6: | *OUT1~OUT6: Joypad outputs | ||
*SDMRD/SDMRW: Z80 | *SDMRD/SDMRW: Z80 ROM/RAM control lines | ||
*SDZ80*: | *SDRD0/SDRD1: Z80 port reads to {{Chipname|NEO-ZMC}} in cartridge | ||
*SDZ80*: Control lines to {{Chipname|NEO-C1}} | |||
[[Category:Chips]] | [[Category:Chips]] |
Revision as of 22:25, 11 October 2016
- Clock divider
- Z80 memory and port control
- YM2610 interface
- Memory card bank selection
- Joypad outputs
Maybe similar to NEO-SUD on the NeoGeo CD. Close to the audio hardware.
Pinout
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