Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32H7x7_CM4/TIM2/CNT#0x0
counter
low counter value
High counter value
Value depends on IUFREMAP in TIMx_CR1.
https://github.com/cmsis-svd/cmsis-svd-data