User`s manual

• MC9S12DG256, 256K flash, 12K RAM and 4K EEPROM

• Dual UARTs

• 16 MHz crystal, 8 MHz default bus speed and up to 25MHz bus speed via PLL

• Pre-installed with D-Bug12 monitor ( for AsmIDE ) or Serial Monitor ( for CodeWarrior )

• LED operating mode indication (E,J,P,B) on the 7-segment display during power-up, no need

to remember jumper settings

• On-board BDM-in connector to be connected with a BDM from multiple venders, including our

USBDM, for advanced debugging

• Supports C and Assembly language source level debugging using Code Warrior

• Support any C compilers and Debuggers, including Imagecraft ICC and NoICE debugger

• Four operating modes: EVB, Jump-to-EEPROM, POD and Boot loader

• Many fully debugged 68HC12 sample programs including source code

• Includes a test program that reads pushbutton and capacitor touching switches to show their

functions on the 7-segment LED display while playing a song, it shows a number being

counting-up or counting-down, counting fast or counting slow on the 7-segment LED display,

and also allows to change 7-segment LED brightness by adjusting the trimmer pot at the same

time

• Fast bus speed up to 25 MHz

• Small PC board size 4" X 4.475"

The MiniDragon-Plus3 board has the following features as options:

• Plug-in 8x2 LCD module with backlight

• 4x4 Keypad

• CAN interface

• RS485 interface

• X-Y-Z accelerometer module for Mechatronic applications

1.4 I/O Pin Usage