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Tips and Suggestions
Tips and Suggestions
Following are a number of tips, suggestions and answers to common questions that will
solve most problems users have with the CME11E9 development system. You can
download the latest software from the Support section of our web page at:
www.axman.com
Programming Utilities
•
If you’re trying to start a program in external EEPROM (U7), make sure jumpers
MODA and MODB are NOT installed and ROMON is disabled in the Configuration
word.
•
Be certain that the data cable you’re using is bi-directional and is connected
securely to both the PC and the board. Also, make sure you are using the correct
serial port.
•
Make sure the correct power is supplied to the board. You should only use a 9
volt, 200mA adapter or power supply. If you’re using a power strip, make sure it is
turned on.
•
If the configuration file loads (the first 100 bytes or so), but you get a time-out error
when the program section begins to download, make sure the HC11 is internally
configured correctly by selecting Configure Processor from the main menu.
•
ROMON must be set to off (disabled) to enable external EEPROM (U7) and must
be on (enabled) to enable the
68HC11 Internal EPROM in U1
. During program
development the EEON should be enabled. The other bits should be disabled.
•
Make sure you load your code to an address space that actually exists. See the
Memory Map.
•
If you are running in a multi-tasking environment (such as Windows) close all
programs in the background to be certain no serial conflict occurs.
•
If programming is slow, run the batch file PAGE.BAT in the ax11e directory then
see if programming is faster. If programming doesn’t work following this, return to
normal operation by running the batch file BYTE.BAT.
•
If the Assembler or Small C compiler menu options do not work properly on your
system, you can modify their operation by editing the files DO_SC.BAT (for the C
compiler) and DO_ASM.BAT (for the assembler). These are the batch files that
are run when their menu items are selected. Try putting a PAUSE statement at the
end of the batch files. This will halt the batch file before returning to AX11E so you
can see any error messages they may be giving you.
•
You can reset all AX11E configuration options to their original state by deleting the
file named AX11.CFG. This file will be re-created the next time you run AX11E.
