Hi,
I checked with my colleague working for the Harware team.
according to the manual (chip):
COP timer is disabled while the host is in Debug mode The COP timer is stopped while the processor is in Debug mode (i.e. using
CodeWarrior IDE). If the COP is enabled, the timer will resume counting upon exiting
Debug. The CEN bit in the COP Control (COPCTL) register always reads as zero
when in Debug mode, even when it has a value of one.
To resume, the Cop is disable in debug mode: so when you're using CW and the debugger.
Regards
Pascal