ST STM32F2 Series User Manual page 58

SM CODE
Error reporting
Fault detection time
Addressed fault model
Dependency on MCU configuration
Initialization
Periodicity
Test for the diagnostic
Multiple faults protection
Recommendations and known limitations
UM1845 - Rev 4
VSUP_SM_4
Interrupt generation on specific EXTI lines
Depends on threshold programming, refer to functional documentation
Permanent and Transient
None
Protection enable and threshold programming on selected power rails in Power control register
Continuous
Not needed
CPU_SM_5: external watchdog
This method can be used in conjunction with VSUP_SM_0 to implement a complete supervision of
VDD value
Description of hardware and software diagnostics
UM1845
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