Toshiba TXZ+ Series Reference Manual page 25

TXZ+ Family
TMPM3H Group(1)
Clock Control and Operation Mode
Note3: The address match wake up function can only be used.
Note4: A port state when the [RLMSHTDNOP] <PTKEEP> is set to "1" is held.
Note5: It becomes a data hold when peripheral functions (DMA etc.) which carry out data access (R/W), except
CPU, are not connected on the bus matrix.
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