Abacus (Ver 1.0)
From Citylan
| dumper | f205v |
| date | 09/05/2010 |
| emulator | |
| dev |
| name | 912 |
| description | Abacus (Ver 1.0) |
| year | |
| manufacturer |
Technical references
CPUs
| QTY | Type | clock | position | function |
|---|---|---|---|---|
| 1x | H8/3048 | ic1 | 16-bit Single-Chip Microcomputer - main (internal ROM not dumped) | |
| 1x | AD-65 | ic24 | 4-Channel Mixing ADCPM Voice Synthesis LSI - sound | |
| 1x | LM358N | ic27 | Dual Operational Amplifier - sound | |
| 1x | TDA2003 | ic26 | Audio Amplifier - sound | |
| 1x | oscillator | 30.000MHz | osc1 | |
| 1x | blu resonator | 1000J | x1 | |
| 1x | oscillator | KDS0D | x2 |
ROMs
| QTY | Type | position | status |
|---|---|---|---|
| 1x | W27C020 | 1 | dumped |
| 2x | M27C4001 | 2,3 | dumped |
RAMs
| QTY | Type | position |
|---|---|---|
| 2x | LST62832I-70LL-10L | ic13,ic14 |
PLDs
| QTY | Type | position | status |
|---|---|---|---|
| 1x | ispLSI2064-80LJ | ic12 | not dumped |
Others
1x 28x2 edge connector
1x 50 pins flat cable connector (CN4)
1x 12 legs connector (CN1)
2x trimmer (volume,spark)
1x 12x2 switches DIP
1x battery 3.6V
Notes
Files
-
PCB component side 1
-
PCB component side 2
-
PCB solder side
-
Title
-
Disclaimer
-
Intro 1
-
Intro 2
-
Hi scores
-
In game
-
ROMs
912
