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==Signal names== | ==Signal names== | ||
6M, 12M, 24M: 6MHz, 12MHz, and 24MHz clock signals | *6M, 12M, 24M: 6MHz, 12MHz, and 24MHz clock signals | ||
*4MB: 4MHz inverted signal | |||
*A1~A19: [[68k]] address bus | *A1~A19: [[68k]] address bus | ||
*D0~D15: 68k data bus | *D0~D15: 68k data bus | ||
Revision as of 14:44, 8 March 2012
Cartridges
Signal names
- 6M, 12M, 24M: 6MHz, 12MHz, and 24MHz clock signals
- 4MB: 4MHz inverted signal
- A1~A19: 68k address bus
- D0~D15: 68k data bus
- R/W: 68k R/W
- AS: 68k /AS
- /ROMOEL: $000000-$0FFFFF odd byte read
- /ROMOEU: $000000-$0FFFFF even byte read
- /ROMOE: $000000-$0FFFFF read
- /PORTOEL: $200000-$2FFFFF odd byte read
- /PORTOEU: $200000-$2FFFFF even byte read
- /PORTWEL: $200000-$2FFFFF odd byte write
- /PORTWEU: $200000-$2FFFFF even byte write
- /PORTADRS: $200000-$2FFFFF any access
- CR0~CR31: C ROMs data bus (2*16bits)
- SDRAD0~SDRAD7: ADPCM-A ROM multiplexed bus (data/address)
- SDRA8,SDRA9,SDRA20~SDRA23: ADPCM-A ROM address bus
- SDPAD0~SDPAD7: ADPCM-B ROM multiplexed bus (data/address)
- SDPA8,SDPA9,SDPA10,SDPA11: ADPCM-B ROM address bus
- P0~P23: C ROM and S ROM address bus (multiplexed)
- PCK1B: Clock to latch C ROM address from P0~P23
- PCK2B: Clock to latch S ROM address from P0~P15
- CA4: C ROM A4
- 2H1: S ROM A3
- FIXD0~FIXD7: S ROM data bus
AES Cartridge
| PROG | CHA |
| File:Aesprogpinout.png | File:Aeschapinout.png |
MVS Cartridge
| CHA bottom | CHA top | PROG bottom | PROG top |
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Beware ! Pinouts found elsewhere have ROMOE/4MB swapped, it's an error on the original schematics. ROMOE is on pin 33 bottom, 4MB is on pin 34 bottom.
Joypad ports
Inputs are pulled high to +5V.
JAMMA connector
Infos from [HardMVS.com]
| GND | A | 1 | GND |
| GND | B | 2 | GND |
| +5V | C | 3 | +5V |
| +5V | D | 4 | +5V |
| E | 5 | ||
| +12V | F | 6 | +12V |
| Key | H | 7 | Key |
| Coin counter #2 | J | 8 | Coin counter #1 |
| Lockout coil #2 | K | 9 | Lockout coil #1 |
| Left speaker + | L | 10 | Right speaker + |
| Test switch | M | 11 | Mono audio + |
| Video green | N | 12 | Video red |
| Video sync | P | 13 | Video blue |
| Service switch | R | 14 | Video GND |
| Coin switch #4 P2 | S | 15 | Coin switch #3 P1 |
| Coin switch #2 P2 | T | 16 | Coin switch #1 P1 |
| P2 Start | U | 17 | P1 Start |
| P2 Up | V | 18 | P1 Up |
| P2 Down | W | 19 | P1 Down |
| P2 Left | X | 20 | P1 Left |
| P2 Right | Y | 21 | P1 Right |
| P2 A | Z | 22 | P1 A |
| P2 B | a | 23 | P1 B |
| P2 C | b | 24 | P1 C |
| P2 D | c | 25 | P1 D |
| Select down | d | 26 | Select up |
| GND | e | 27 | GND |
| GND | f | 28 | GND |
CD/CDZ
YM2610 digital audio
Cd2_cn7.jpg Clock, L, R ?
Video and CDDA
File:Cd2 cn1cn3.jpg R, V, B, S, Burst, GND ? Clock, L, R ?
CD reader
Power
Multiplayer jack
To do.