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DF12-SBC  Single Board Computer

Features:

• 8 MHz crystal
• PLL and crystal OSC circuits
• Supports DF12-DIP and DF12-SIP modules

• Installed with Motorola serial monitor

• On-board TTL-RS232 converter

• Auto-start user application program from on-chip flash memory via a slide switch
• Two LEDs connected to port T
• A 2-position DIP switch connected to port A
• Two push button switches connected to port A
• On-board speaker for music applications
• On-board 2K x 8 I²C EEPROMn-board potentiometer trimmer pot for analog input

• 20x2 male header provides all I/O ports to user target board using a ribbon cable

• Large Turret terminal for ground test point on each module

• Reset button

• RUN/LOAD slide switch for auto-starting user program

• Green LED power indicator

• 6-pin BDM Debug/Program input header

• RS-232 Serial Port w/ DB9 Connector

• Two 5x2 male headers for port T and port A 

• One 5x2 male header for a SPI port

• Footprints for RF transceiver and real-time clock

• Small prototype area

• Optional 8x2 LCD module with backlight

• Optional CAN 2.0 interface

• Package also includes useful software:
• Fully debugged sample programs including source code
• Test program that simultaneously plays a song, flashes PT0-PT1 LEDs, changes LED brightness by adjusting the trimmer pot
• Eric Engler's Windows AsmIDE software with the Motorola free assembler
• Small PCB size of 4" X 2.4".  The size is reduced to 3.2" X 2.4" when the RF transceiver and DS1302 Real Time Clock section PCB is snapped off.
  

The available options now are a 8x2 LCD display module with backlight, an RS232 cable and an AC adapter.
The available options  in the near future will be a low cost RF transceiver and DS1302 Real Time Clock.  

The SBC with the LCD display module installed