DRAGON12-Light Trainer  A popular upgrade for 68HC11 and 68HC12 boards

The new easy-to-use DRAGON12-Light trainer offers the highest performance-to-price ratio that you can get from a trainer.
It's fully backwards compatible to all DRAGON trainers and programs were written for all DRAGON trainers can run on the DRAGON12-Light trainer without modifications except some programs access hardware that is not available on the DRAGON12-Light trainer.

The DRAGON12-Light trainer comes with D-Bug12 monitor firmware or serial monitor firmware installed. 

The D-Bug12 monitor for the HCS12 is similar to the BUFFALO monitor for the 68HC11. It will execute all BUFFALO commands and work with an ASCII  terminal program, like AsmiDE, MiniIDE and HyperTerm. With the vast online resources available for the HCS12, it will take almost no time to start a HCS12 course for a professor who is currently teaching a 68HC11 or a 68HC12 course.

The serial monitor is required to work with the CodeWarrior IDE.

DRAGON12-Light- silkscreen

The DRAGON12-Light trainer kit includes a DRAGON12-Light board, a solderless breadboard and a 6 foot USB cable.

For US and Canadian orders we will also include a 9V 500mA switching power supply AC adapter at no extra cost.
 

DRAGON12-Light features:

• Backwards compatible to 68HC11 and 68HC12 code
• On-board USB interface based on the flawless FT231XS for all Windows operating systems
• USB interface for both SCI0 and SCI1
• RGB color LED
• 16X2 LCD display module with LED backlight.
• 4-digit, 7-segment display module for learning multiplexing technique
• 4 X 4 keypad
• Eight LEDs connected to port B
• An 8-position DIP switch connected to port H
• Four pushbutton switches connected to PH0-PH3
• Speaker driven by timer, or PWM, or DAC for alarm, voice and music applications
• Potentiometer for analog input
• X-Y-Z accelerometer module interface header
• Two analog sensor input headers
• Dual 10-bit DAC for generating analog waveforms
• I²C expansion port for interfacing external I²C devices
• High efficiency dual H-Bridge for controlling two DC motors or one stepper motor
• Four robot servo outputs with a terminal block for external servo voltage 
• Temperature sensor for home automation applications
• Light sensor for home automation applications
• Resettable fuse to protect USB port
• Abort switch for stopping program when program is hung in a dead loop
• Super fast bus speed up to 25 MHz
• The 112-Pins on-board MCU (MC9S12DG256CVPE) with 89 I/O-Pins is included
• BDM-in connector to be connected with a BDM from multiple vendors for debugging.
• BDM-out connector for making this board as a HCS12 / 9S12 BDM or programmer. No extra hardware needed.
• Female headers provide shortest distance (great for high speed applications!) to every I/O pin of the MC9S12DG256
• Comes with AsmIDE under GPL (general public license)
• Pre-loaded with D-Bug12 monitor for working with AsmIDE or serial monitor for working with CodeWarrior
• Supports source level debugging in C and Assembler without a BDM
• Mode switch for selecting 4 operating modes with D-Bug12 monitor: EVB, Jump-to-EEPROM, BDM POD and Bootloader
• Fast prototyping with on-board solderless breadboard
• Many fully debugged 68HC12 program examples including source code
• Free 9V 500mA switching power supply AC adapter for US and Canadian orders
• PCB size: 7.7" X 4.8"

Options:

• CAN transciever
• X-Y-Z accelerometer module for Mechatronic applications

http://www.evbplus.com/accelerometer_3axis/tinybee_accelerometer_3axis.html

Applications:

• A perfect stand-alone 16-bit HCS12 trainer for classrooms. It's not too simple like an 8-bit trainer and not too complex like a 32-bit trainer
• Perfect for upgrading all outdated 68HC11 / 68HC12 development boards 

The DRAGON12-Light board comes with a built-in USB interface based on the FT231XS. The driver for the FT232XS must be installed properly before using the board.

Install and verify USB driver:

1. Before connecting the DRAGON12-Light board to your PC's USB port for the first time, make sure that the AC adapter is unplugged. You do not need the AC adapter since the board can be powered by a USB port.
    

2. Go to the FT232RL driver installation and verification page for operating procedures: http://www.evbplus.com/TinyUSB_9s12/ft232rl.html.
    

3. Once you have verified that the USB driver is properly installed, you may invoke the IDE (CodeWarrior or AsmIDE).
    

4. If you are going to use CodeWarrior IDE and have not installed it you need to Download and configure CodeWarrior
   http://www.evbplus.com/Code_Warrior_hcs12.html
    

In order to establish a reliable USB communication, always connect the DRAGON12-Light board to your PC's USB port first before invoking the IDE (CodeWarrior or AsmIDE), otherwise the IDE will not be able to communicate with the DRAGON12-Light board.  During a debugging session, if you accidentally unplug the USB cable from the DRAGON12-Light board, you need to re-establish the USB communication.  The IDE will not recognize the DRAGON12-Light board again if you just simply plug the USB cable back. 

To re-establish the USB communication you need to exit the IDE and disconnect the USB cable from the DRAGON12-Light board, wait for a few seconds before re-plugging in the USB cable, then wait for a few more seconds and allow the USB communication to be re-established with the DRAGON12-Light board. After re-establishing the USB communication you can invoke the IDE again and the IDE will start to communicate with the DRAGON12-Light board.  If this does not work, you need to restart your PC.

If restarting the PC does not solve the problem, you may need to re-install the USB driver or try on another PC.

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