Hitachi H8/3937 Series Hardware Manual page 499

V V
CC CC
P3
5
V
SS
PDR3 : Port data register 3
PCR3 : Port control register 3
PUCR3 : Port pull-up control register 3
SCINV1 : Bit 1 of serial port control register (SPCR)
SBY
Figure C.3 (b) Port 3 Block Diagram (Pin P3
PUCR3
5
SCINV1
PDR3
5
PCR3
5
)
5
SCI31 module
TE31
TXD31
487