Difference between revisions of "SIMPLE-68008"

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[[file:SIMPLE-68008_REV1_CAD.PNG]]
 
[[file:SIMPLE-68008_REV1_CAD.PNG]]
  
=== J1 - RS-232 Serial ===
+
=== J1 - FTDI / TTL 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
 
# GND
Line 53: Line 33:
 
# N/C
 
# N/C
  
=== J4 - 5V Power ===
+
=== J2 - Input Port ===
 +
 
 +
# Input 2
 +
# Input 5
 +
# Input 4
 +
# Input 3
 +
# Vcc
 +
# GND
  
* 2x4 header
+
=== J3 - ===
  
=== J5 / J6 - EPROM/EEPROM Select Jumpers ===
+
# GND
 +
# Vcc
 +
# Output 7
 +
# Output 6
 +
# Output 5
 +
# Output 4
 +
# Output 3
 +
# Output 2
  
{| class="wikitable"
+
=== H1 - 5V Power ===
! 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 ===
+
* 2x4 header
  
* Install if CPU is not a WDC 65C02 or WDC 65C816
+
=== H3-H5 - EPROM/EEPROM Select Jumpers ===
  
 
== Software ==
 
== Software ==

Revision as of 23:40, 14 September 2022

SIMPLE-68008 FRONT 3D.png

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

SIMPLE-68008 REV1 CAD.PNG

J1 - FTDI / TTL Serial

  1. GND
  2. RTS* (out)
  3. +5V
  4. Receive (in)
  5. Transmit (out)
  6. N/C

J2 - Input Port

  1. Input 2
  2. Input 5
  3. Input 4
  4. Input 3
  5. Vcc
  6. GND

J3 -

  1. GND
  2. Vcc
  3. Output 7
  4. Output 6
  5. Output 5
  6. Output 4
  7. Output 3
  8. Output 2

H1 - 5V Power

  • 2x4 header

H3-H5 - EPROM/EEPROM Select Jumpers

Software

Mechanicals

SIMPLE-6502 REV1 MECHS.PNG

Assembly Sheet

SIMPLE-6502 Rev 1 Assembly Sheet