Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Toshiba/M367/MT0/TBMOD#0x0
MPT Mode Register
MTTBCLK
MTTBCLE
MTTBCPM
MTTBCP
MTTBRSWR
https://github.com/cmsis-svd/cmsis-svd-data