Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Keil/AT32F413xx_v2/TMR2/CM1_INPUT#0x0
Channel input mode register 1
Channel 1 configure
Channel 1 input divider
Channel 1 digital filter
Channel 2 configure
Channel 2 input divider
Channel 2 digital filter
https://github.com/cmsis-svd/cmsis-svd-data