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5. Connect the supplied USB cable between an available USB port on the host PC and the
USB connector on the board. LED’s D301 and D302 located adjacent to the USB
connector, and the VDD LED will light. Hosting development software will establish
background communication.
DEVELOPMENT SUPPORT
Application development and debug for the target MCF52233 is supported through the BDM
interface. The debug interface consists of an optional 26-pin header (BDM_PORT) and an
integrated USB-BDM debugger. The BDM_PORT header is not installed in default
configuration but may be installed by the user if needed. Refer to the MCF52235 Integrated
Microcontroller Reference Manual for details on using the Background Debug Module.
Optional JTAG access is also supported through the BDM_PORT header. To use this optional
JTAG access, open the cut-trace between pin 1 and pin 2 of the BDM_SEL option header.
Install a standard 1x3 header at location BDM_SEL and install a shunt between pin 2 and pin.
Refer to the MCF52235 Integrated Microcontroller Reference Manual ( www.freescale.com ) for
details on using the JTAG port access.
SOFTWARE DEVELOPMENT
Software development requires using a ColdFire assembler or compiler and a host PC running
a ColdFire BDM interface. CodeWarrior Special Edition, supplied with this board, allows the
user to develop and debug application code and to program flash.
One method to ensure successful application development is to load and execute the
application from internal RAM. After the application has been completely debugged, and is fully
functional, it can be ported to FLASH. When programmed into FLASH, the application will
execute from Power-On or RESET if the RESET vector is programmed.
MEMORY MAP
Refer to the MCF52235 Integrated Microcontroller Reference Manual for details. The latest
version can be downloaded from the Freescale web site at www.freescale.com
Integrated BDM_PORT
The AP52233SLK board features an integrated USB-BDM debugger. The integrated debugger
supports application development and debugging via the background debug mode. A type B,
USB connector provides connectivity between the target board to the host PC.
NOTE: Using the integrated USB BDM requires CodeWarrior 6.1 Special Edition or development tools
from P&E Microcomputer Systems.
The integrated debugger provides power and ground to the target, thereby eliminating the
need to power the board externally. Power from the integrated USB-BDM is derived from the
USB bus and total current consumption is limited by the USB specification. Total current
consumption for the target board, and all connected circuitry, must not exceed 500mA .
18
Freescale Semiconductor
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