9 RPMU
BU Sleep Mode
Some registers that should persists after an RTC wake-up event from Back-Up Sleep mode are reset to zero. The RTC.DBGCTRL, SUPC.BOR registers and all of the FCW registers will be reset after an RTC wake-up event from Back-Up Sleep mode.
Workaround
Save the states of the affected registers before entering Back-Up Sleep mode and restore after the wake-up event.
Affected Silicon Revisions
| A1 | A2 | ||||
|---|---|---|---|---|---|
| X | X |
Hibernate Mode
RCAUSE.BKUPEXIT.HIB is not set on wake-up from Hibernate mode when in Debug mode.
Workaround
None.
Affected Silicon Revisions
| A1 | A2 | ||||
|---|---|---|---|---|---|
| X | X |
RSTC.DBGCTRL
The RSTC DBCTRL register should only be reset by debugger reset, but is also reset by other reset sources.
Workaround
None.
Affected Silicon Revisions
| A1 | A2 | ||||
|---|---|---|---|---|---|
| X | X |