ST STM32L4+ Series Reference Manual page 1297

RM0432
Bit 0 BK2INE: BRK2 BKIN input enable
Note: This bit can not be modified as long as LOCK level 1 has been programmed (LOCK bits
Note: Refer to
This bit enables the BKIN2 alternate function input for the timer's BRK2 input. BKIN2 input is
'ORed' with the other BRK2 sources.
0: BKIN2 input disabled
1: BKIN2 input enabled
in TIMx_BDTR register).
Figure 327: Break and Break2 circuitry
Advanced-control timers (TIM1/TIM8)
overview.
RM0432 Rev 6 1297/2301
1302