Qorivva MPC5xxx/SPC5xx Debugger and NEXUS Trace
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MPC551X:
SWE
SWRWH
RO
Debugger Action
off
don’t care
don’t care
none
on
off
don’t care
none
on
on
off
disable SWRWH
on
on
on
service watchdog (see note)
NOTE:
All CPUs: servicing watchdog
If the debugger is servicing the watchdog, conditions might occur, where the
watchdog times out before the debugger is able to service it. Unintended resets
or interrupts can occur.
Further, SWT window mode is not supported by the debugger.
MPC5516, revision 0
If the system option is ON, the debugger will configure the watchdog to the
longest timeout period on SYStem.Up and SYStem.Mode.StandBy. During
debugging, the watchdog timer will be serviced if SWE is on.