Difference between revisions of "SIMPLE-6802"
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| Line 7: | Line 7: | ||
* 68b02 CPU | * 68b02 CPU | ||
* 32KB SRAM | * 32KB SRAM | ||
| − | * EPROM/EEPROM | + | * 16KB EPROM/EEPROM |
* 68B50 Serial Port (ACIA) | * 68B50 Serial Port (ACIA) | ||
** RS-232 port | ** RS-232 port | ||
Revision as of 16:30, 12 September 2022
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Contents
Features
- Build of Grant Searles's Simple 6809 CPU
- Runs MIKBUG
- 68b02 CPU
- 32KB SRAM
- 16KB EPROM/EEPROM
- 68B50 Serial Port (ACIA)
- RS-232 port
- Header for FTDI
- Reset switch with optional Power Supervisor
- 95x95mm card
- (4) 6-32 mounting holes
Memory Map
- 0x0000-0x7FFF 32KB SRAM
- 0x8000-0x9FFF Free Space (8KB)
- 0xA000-0xBFFF Serial (ACIA)
- 0xC000-0xCFFF 16KB EPROM
Headers
EPROM/EEPROM Select Jumpers
| PART | PIN 1 | PIN 27 |
|---|---|---|
| 27128 EPROM | VPP (5V) | PGM (5V) |
| 27C256 EPROM | VPP (5V) | A14 (GND) |
| 27C512 EPROM | A15 (GND) | A14 (GND) |
| SST27SF256 EEPROM | VPP (5V) | A14 (GND) |
| SST27SF512 EEPROM | A15 (GND) | A14 (GND) |
Mechanicals
