Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32L4x6/TIM15/CR2#0x0
control register 2
Capture/compare preloaded control
Capture/compare control update selection
Capture/compare DMA selection
Output Idle state 1
https://github.com/cmsis-svd/cmsis-svd-data