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HD6433937 Datasheet, PDF (503/521 Pages) Hitachi Semiconductor – Hardware Manual
VCC
VCC
P31
VSS
SBY
PUCR31
PMR31
PDR31
PCR31
PDR3: Port data register 3
PCR3: Port control register 3
PMR3: Port mode register 3
PUCR3: Port pull-up control register 3
Figure C-3 (f) Port 3 Block Diagram (Pin P31)
Timer C
module
UD
491