Difference between revisions of "SIMPLE-68008"
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== Features == | == Features == | ||
| − | * | + | * 68008 CPU |
| − | * | + | * 10 MHz clock |
| − | + | * 512KB SRAM | |
| − | + | * Up to 448B EPROM/EEPROM | |
| − | * | + | * 68681 Dual Serial Port (ACIA) |
| − | * | + | ** Headers for FTDI |
| − | * | + | ** 38,400 baud |
| − | ** | ||
| − | |||
| − | ** | ||
* Reset switch with optional Power Supervisor | * Reset switch with optional Power Supervisor | ||
* 95x95mm card | * 95x95mm card | ||
| Line 19: | Line 16: | ||
=== Memory Map === | === Memory Map === | ||
| − | * | + | * 0x00000-0x7FFFF 32KB SRAM |
| − | * | + | * 0x80000-0x8FFFF Serial (ACIA) |
| − | + | * 0x99000-0xFFFFF Up to 8KB EPROM | |
| − | * | ||
== Headers / Connectors == | == Headers / Connectors == | ||
Revision as of 23:32, 14 September 2022
Contents
Features
- 68008 CPU
- 10 MHz clock
- 512KB SRAM
- Up to 448B EPROM/EEPROM
- 68681 Dual Serial Port (ACIA)
- Headers for FTDI
- 38,400 baud
- Reset switch with optional Power Supervisor
- 95x95mm card
- (4) 6-32 mounting holes
Memory Map
- 0x00000-0x7FFFF 32KB SRAM
- 0x80000-0x8FFFF Serial (ACIA)
- 0x99000-0xFFFFF Up to 8KB EPROM
Headers / Connectors
J1 - RS-232 Serial
- DB-9 Male
- Pinout
- N/C
- Receive
- Transmit
- Loop to pin 6
- GND
- Loop to pin 4
- RTS
- N/C
- N/C
J2 - Speed Select Jumper
- 1-2 - 0.92 MHz
- 2-3 = 1.8432 MHz
J3 - FTDI / TTL Serial
- GND
- RTS* (out)
- +5V
- Receive (in)
- Transmit (out)
- N/C
J4 - 5V Power
- 2x4 header
J5 / J6 - 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) |
| AT28C64 EEPROM | N/C | WE (5V) |
| SST27SF256 FLASH | VPP (5V) | A14 (GND) |
| SST27SF512 FLASH | A15 (GND) | A14 (GND) |
JP1 - CPU Pin 1
- Install if CPU is not a WDC 65C02 or WDC 65C816
Software
Mechanicals
