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The M68EVB912B32E is used to design, debug, and evaluate code for the 68HC912B32 MCU. By providing the essential MCU timing and I/O circuitry along with a prototyping area, the EVB simplifies user evaluation of prototype hardware and software.
Ideal for Internet of Things (IoT) applications.

M68EVB912B32E - Motorola Evaluation Board with 32K Flash memory, 1K internal RAM, 768 bytes EEPROM
Part No. Description Price Stock
M68EVB912B32E Motorola Evaluation Board with 32K Flash memory, 1K internal RAM, 768 bytes EEPROM $139 9

The M68EVB912B32E evaluation board comprises three main components:

  • Hardware - The board is a multilayered printed circuit board that provides interface and power connections to th dimensions are 5.15 x 3.4 inches (13.08 x 8.63 centimeters).
  • Firmware - DBug12, the EVB's firmware-resident monitor program, lets programmers write, evaluate, and debug user programs. DBug12 requires no configuration &emdash; it comes from the factory ready to use with an RS-232C terminal. DBug12 allows programming of the MC68HC912B32's on-chip FLASH EEPROM through commands that directly alter memory.

NOTE: DBug12 does not use the BDM interface.

  • Software - The IASM12 assembly language tool set provides an integrated development environment, including:
    • project manager (MCU project)
    • relocatable macro-assembler (MASM)
    • linker (MLINK)
    • librarian (AR)
    • Freescale S-Record generator (HEX)

M68EVB912B32 System Requirements

  • RS-232C terminal program
  • a serial communication port
  • RS-232C compatible, 6-pin BDM target cable
  • 3 to 5 VDC @ 100 mA (maximum) external power supply


  • 3 to 5 VDC operation
  • RS-232C serial interface
  • 32 kilobytes MCU internal FLASH EEPROM with resident DBug12 monitor/debugger program four operational modes: EVB, JUMP-EEPROM, POD-BDM, BOOTLOAD,
  • Header connectors for access to the MCU's I/O and bus lines
  • On-board prototype area for customized interfacing with the MCU
  • Low-voltage inhibit protection
  • Full support for either dumb terminal or host computer terminal interface
  • File transfer capability from a host computer, allowing off-board code generation
  • For small programs or subroutines, DBug12 can be used to place object code directly into memory
  • For larger programs, the IASM12 assembler can be used on a host computer to generate S-Record object files. DBug12 can then be used to load the S-Record files into the EVB's memory