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Appendix B Internal I/O Registers
RDR—Receive Data Register
7
Bit
Initial value
0
Read/Write
R
Note: Bit functions are the same as for SCI0.
SCMR—Smart Card Mode Register
7
Bit
Initial value
1
Read/Write
Note: Bit functions are the same as for SCI0.
P1DR—Port 1 Data Register
7
Bit
P1
7
Initial value
0
Read/Write
R/W
Rev. 4.00 Jan 26, 2006 page 872 of 938
REJ09B0276-0400
6
5
0
0
R
R
6
5
1
1
6
5
P1
P1
P1
6
5
0
0
R/W
R/W
R/W
Data for port 1 pins
H'FFFC5
4
3
0
0
R
R
H'FFFC6
4
3
SDIR
SINV
1
0
R/W
R/W
H'FFFD0
4
3
2
P1
P1
4
3
0
0
0
R/W
R/W
SCI2
2
1
0
0
0
0
R
R
R
SCI2
2
1
0
SMIF
0
1
0
R/W
Port 1
1
0
P1
P1
2
1
0
0
0
R/W
R/W
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