ST STM32F301 6 Series Reference Manual page 471

RM0366
18.3.21 Debug mode
When the microcontroller enters debug mode (Cortex
either continues to work normally or stops, depending on DBG_TIMx_STOP configuration
bit in DBGMCU module. For more details, refer to
timers, watchdog I
2
C.
RM0366 Rev 5
General-purpose timer (TIM2)
®
-M4F core - halted), the TIMx counter
Section 28.15.2: Debug support for
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