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HD6433937 Datasheet, PDF (151/521 Pages) Hitachi Semiconductor – Hardware Manual
Bit 0: P10/TMOW pin function switch (TMOW)
This bit selects whether pin P10/TMOW is used as P10 or as TMOW.
Bit 0
TMOW
0
1
Description
Functions as P10 I/O pin
Functions as TMOW output pin
(initial value)
139