Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Toshiba/M369/PN/PUP#0x0
PN Pull-Up Control Register
PN0UP
PN1UP
PN2UP
PN3UP
PN4UP
PN5UP
https://github.com/cmsis-svd/cmsis-svd-data