HD64F2638F20J Datasheet, PDF (1456/1512 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

Appendix B Internal I/O Register
H8S/2639, H8S/2638, H8S/2636,
H8S/2630, H8S/2635 Group
BRR1—Bit Rate Register 1
H'FF81 SCI1, Smart Card Interface 1
Bit
7
6
5
4
3
2
1
0
Initial value
1
1
1
1
1
1
1
1
Read/Write R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Set the serial transmit/receive bit rate
Note: For details see section 13.2.8, Bit Rate Register (BRR).
TDR1—Transmit Data Register 1
Bit
7
6
5
H'FF83
4
3
SCI1, Smart Card Interface 1
2
1
0
Initial value
1
1
1
1
1
1
1
1
Read/Write R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Store serial transmit data
RDR1—Receive Data Register 1
Bit
7
6
5
H'FF85
4
3
SCI1, Smart Card Interface 1
2
1
0
Initial value
0
0
0
0
0
0
0
0
Read/Write
R
R
R
R
R
R
R
R
Store serial receive data
Page 1406 of 1458
REJ09B0103-0800 Rev. 8.00
May 28, 2010