Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Holtek/HT32F275x/AFIO/AFIO_ESSR1#0x0
AFIO_ESSR1
EXTI8PIN
EXTI9PIN
EXTI10PIN
EXTI11PIN
EXTI12PIN
EXTI13PIN
EXTI14PIN
EXTI15PIN
https://github.com/cmsis-svd/cmsis-svd-data