TWR-56F8400 User’s Manual
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Overview
The MC56F8400 Tower 32-bit MCU Module (TWR-56F8400) is an evaluation, demonstration and
development board. The TWR-56F8400 can operate stand-alone or as the main control board in a
Tower system with peripheral modules. It can also be used as the main control board with an
APMOTOR56F8000E motor control board.
The following list summarizes the features of the TWR-56F8400:
•
32 bit Digital Signal Controller module featuring MC56F84789
•
Tower compatible
•
Selectable Power sources:
o
USB on 56F8400 card
o
Barrel connector on 56F8400 card
o
Motor control board plug direct to 56F8400 card, no Tower connection, plug Motor
control to nine volts
o
Tower elevator board (USB or Barrel on Primary side)
•
Filtered power for VDDA and VSSA on the 32-bit MC56F84789DSC
•
MC56F84789 DSC (Digital Signal Controller) in an 100 LQFP package
•
Optional 8 MHz crystal circuit for the MC56F84789 DSC
•
9 LEDs controlled by the MC56F84789 DSC
•
Motor Control Board connector for the APMOTOR56F8000E motor control board
•
Auxiliary Signal connector
•
Four Thermistors for single ended or differential analog inputs to the MC56F84789 DSC
•
CAN transceiver, header, and termination
•
Two push buttons for user input or interrupts to the MC56F84789 DSC
•
Reset push button for the MC56F84789 DSC
•
JTAG header for the MC56F84789 DSC with header to disconnect from OSBDM/OSJTAG
•
Headers to connect SCI signals to either USB bridge with CDC(one channel) or elevator board
(two channels) or connect one to each
•
Expansion via Primary Elevator connector
•
MC9S08JM60 (‘JM60) MCU with a 4 MHz crystal provides:
o
Open Source Debug (OSBDM/OSJTAG) circuit
o
USB to SCI bridge with CDC and other techniques supported by third parties
o
Simultaneious OSBDM/OSJTAG and USB to SCI bridge functions with no header required
to select
o
Bootloader enable header allows easy upgrade to latest S08 firmware pushed down by
CodeWarrior
o
BDM header for the MC9S08JM60 MCU
o
Status and Target Power indicator LEDs
o
Control of semiconductor switch to enable power to board from USB