Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Toshiba/M369/PG/PDN#0x0
PG Pull-Down Control Register
PG0DN
PG1DN
PG2DN
PG3DN
PG4DN
PG5DN
PG6DN
PG7DN
https://github.com/cmsis-svd/cmsis-svd-data