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HD6433937 Datasheet, PDF (507/521 Pages) Hitachi Semiconductor – Hardware Manual
VCC
P41
VSS
SBY
PDR41
PCR41
SCI32 module
RE32
RXD32
PDR4 : Port data register 4
PCR4 : Port control register 4
SCINV2 : Bit 2 of serial port control register (SPCR)
SCINV2
Figure C.4 (c) Port 4 Block Diagram (Pin P41)
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