CME12BC32 AXIOM, CME12BC32 Datasheet - Page 15

• Manufacturer Part Number: CME12BC32
• Description: Microprocessor Development Tool
• Manufacturer: AXIOM

Specifications of CME12BC32

• Silicon Manufacturer: Freescale
• Core Architecture: HC12
• Kit Contents: Development Board With 64K SRAM And 32K Flash
• Silicon Family Name: HC12
• Silicon Core Number: 68HC12BC32, 68HC12B32
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

The CME-12B/BC board is fully tested and operational before shipping. If it fails to function
properly, inspect the board for obvious physical damage first. Ensure that all IC devices in
sockets are properly seated. Verify the communications setup as described under GETTING
STARTED and see the Tips and Suggestions sections following for more information.
The most common problems are improperly configured communications parameters, and
attempting to use the wrong COM port.
1. Verify that your communications port is working by substituting a known good serial
2. Verify the jumpers on the board are installed correctly.
3. Verify the power source. You should measure approximately 9 volts between the GND
4. If no voltage is found, verify the wall plug connections to 115VAC outlet and the power
5. Disconnect all external connections to the board except for COM1 to the PC and the wall
6. Make sure that the RESET line is not being held low.
7. Verify the presence of an 8MHz sine wave on the crystal, or 2MHz E clock signal if
device or by doing a loop back diagnostic.
and +9V test point pads on the board.
connector.
plug.
Check for this by measuring the RESET pin on P4 for +5V.
possible.
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