HD64F2149 Datasheet, PDF (930/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

RDR1—Receive Data Register 1
RDR2—Receive Data Register 2
RDR0—Receive Data Register 0
H'FF8D
H'FFA5
H'FFDD
SCI1
SCI2
SCI0
Bit
7
6
5
4
3
2
1
0
Initial value
0
0
0
0
0
0
0
0
Read/Write
R
R
R
R
R
R
R
R
Stores serial receive data
TDR1—Transmit Data Register 1
TDR2—Transmit Data Register 2
TDR0—Transmit Data Register 0
H'FF8B
H'FFA3
H'FFDB
SCI1
SCI2
SCI0
Bit
7
6
5
4
3
2
1
0
Initial value
1
Read/Write R/W
1
1
R/W R/W
1
1
1
R/W R/W R/W
1
1
R/W R/W
Stores serial transmit data
896