HD64F2638F20J Datasheet, PDF (1214/1512 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
BCR0—Bit Configuration Register
BCR1—Bit Configuration Register
Bit
Initial value
Read/Write
15
BCR7
0
R/W
14
BCR6
0
R/W
13
BCR5
0
R/W
H'F802
H'FA02
12
BCR4
0
R/W
11
BCR3
0
R/W
10
BCR2
0
R/W
9
BCR1
0
R/W
HCAN0
HCAN1^*
8
BCR0
0
R/W
Resynchronization Jump Width
0 0 Bit synchronization width = 1 time quantum
1 Bit synchronization width = 2 time quanta
1 0 Bit synchronization width = 3 time quanta
1 Bit synchronization width = 4 time quanta
Baud Rate Prescaler
0 0 0 0 0 0 2 × system clock
0 0 0 0 0 1 4 × system clock
0 0 0 0 1 0 6 × system clock
.. .. .. .. .. ..
..
1 1 1 1 1 1 128 × system clock
Bit
Initial value
Read/Write
7
BCR15
0
R/W
6
BCR14
0
R/W
5
BCR13
0
R/W
4
BCR12
0
R/W
3
BCR11
0
R/W
2
BCR10
0
R/W
1
BCR9
0
R/W
0
BCR8
0
R/W
Time Segment 2
0 0 0 Setting prohibited
1 TSEG2 = 2 time quanta
1 0 TSEG2 = 3 time quanta
1 TSEG2 = 4 time quanta
1 0 0 TSEG2 = 5 time quanta
1 TSEG2 = 6 time quanta
1 0 TSEG2 = 7 time quanta
1 TSEG2 = 8 time quanta
Time Segment 1
0 0 0 0 Setting prohibited
0 0 0 1 Setting prohibited
0 0 1 0 Setting prohibited
0 0 1 1 TSEG1 = 4 time quanta
0 1 0 0 TSEG1 = 5 time quanta
.. .. .. ..
..
1 1 1 1 TSEG1 = 16 time quanta
Bit Sample Point
0 Bit sampling at one point (end of time segment 1 (TSEG1))
1 Bit sampling at three points (end of time segment 1 (TSEG1) and preceding and following
time quanta)
Note: * This register is not available in the H8S/2635 Group.
Page 1164 of 1458
REJ09B0103-0800 Rev. 8.00
May 28, 2010