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HD6433937 Datasheet, PDF (500/521 Pages) Hitachi Semiconductor – Hardware Manual
VCC
VCC
P34
VSS
SBY
PUCR34
PDR34
PCR34
SCI31 module
RE31
RXD31
PDR3 : Port data register 3
PCR3 : Port control register 3
PUCR3 : Port pull-up control register 3
SCINV0 : Bit 0 of serial port control register (SPCR)
SCINV0
Figure C.3 (c) Port 3 Block Diagram (Pin P34)
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