Renesas H8/3847R Series Hardware Manual page 607

SPCR—Serial Port Control Register
Bit
Initial value
Read/Write
P3
0
1
P4 /TXD pin function switch
2 32
0 Function as P4
1 Function as TXD
7 6 5
— — SPC32
1 1 0
— — R/W
RXD
0
1
TXD pin output data inversion switch
32
0 TXD output data is not inverted
32
1 TXD output data is inverted
32
TXD pin function switch
5 31
Functions as P3 I/O pin
5
Functions as TXD output pin
31
I/O pin
2
output pin
32
Appendix B Internal I/O Registers
4 3
SPC31 SCINV3
0 0
R/W R/W
RXD pin input data inversion switch
31
0 RXD
31
1 RXD
31
TXD pin output data inversion switch
31
0 TXD output data is not inverted
31
1 TXD output data is inverted
31
pin input data inversion switch
32
RXD input data is not inverted
32
RXD input data is inverted
32
Rev. 6.00 Aug 04, 2006 page 569 of 680
H'91
2 1 0
SCINV2 SCINV1 SCINV0
0 0 0
R/W R/W R/W
input data is not inverted
input data is inverted
REJ09B0145-0600
SCI