While launching the UDE® Universal Debug Engine, the connection to the target system cannot be established.
General mistakes ...
- wrong interface cable used
- wrong Universal Access Device connector used
ASC bootstrap loader Monitor Interface:
- Possible Reasons for Communication Errors
- power supply fails
- ASC bootstrap loader mode in the target system not selected (if applicable)
- target not in RESET/Bootstrap loader mode
- wrong target configuration file used when launching UDE®
- no external RAM for the monitor available
- no external RAM for the interrupt vector table available (
0x0000
to0x01FF
) - selected baud rate overruns external hardware
- Additional Diagnosis:
- Using the MiniMonitor Interface the diagnosis capabilities of the debugger are made available if external RAM access does not work at all.
ROM Monitor Interface:
- Possible Reasons for Communication Errors
- power supply fails
- bootstrap loader mode is selected
- wrong target configuration file used when launching UDE®
- ROM content not correctly programmed
- no external RAM in the monitor data area available
- selected baud rate overruns external hardware