UM0434 Datasheet, PDF (294/390 Pages) STMicroelectronics – The primary objective of this user’s manual is to describe

UM0434
Power management
10.1.4
The vectored interrupt capability provided by the core may help determine whether an
external hardware interrupt is used to perform the wake-up.
Debug considerations for power management
When a debug request is presented to the core when it is in either the halted or stopped
state, p_wakeup is asserted, and when m_clk is provided to the CPU, it temporarily exits the
halted or stopped state and enters debug mode, regardless of the assertion of p_halt or
p_stop. The p_halted and p_stopped outputs are negated as long as the CPU remains in a
debug session (jd_debug_b asserted). When the debug session is exited, the CPU
resamples the p_halt and p_stop inputs and re-enters halted or stopped state as
appropriate.
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