HD64F2638F20J Datasheet, PDF (1408/1512 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
WCRH—Wait Control Register H
Bit
Initial value
Read/Write
7
W71
1
R/W
6
W70
1
R/W
5
W61
1
R/W
4
W60
1
R/W
H'FED2
3
W51
1
R/W
2
W50
1
R/W
Bus Controller
1
W41
1
R/W
0
W40
1
R/W
Area 4 Wait Control 1 and 0
0 0 Program wait not inserted when external
space area 4 is accessed
1 1 program wait state inserted when external
space area 4 is accessed
1 0 2 program wait states inserted when external
space area 4 is accessed
1 3 program wait states inserted when external
space area 4 is accessed
Area 5 Wait Control 1 and 0
0 0 Program wait not inserted when external space area 5 is accessed
1 1 program wait state inserted when external space area 5 is accessed
1 0 2 program wait states inserted when external space area 5 is accessed
1 3 program wait states inserted when external space area 5 is accessed
Area 6 Wait Control 1 and 0
0 0 Program wait not inserted when external space area 6 is accessed
1 1 program wait state inserted when external space area 6 is accessed
1 0 2 program wait states inserted when external space area 6 is accessed
1 3 program wait states inserted when external space area 6 is accessed
Area 7 Wait Control 1 and 0
0 0 Program wait not inserted when external space area 7 is accessed
1 1 program wait state inserted when external space area 7 is accessed
1 0 2 program wait states inserted when external space area 7 is accessed
1 3 program wait states inserted when external space area 7 is accessed
Page 1358 of 1458
REJ09B0103-0800 Rev. 8.00
May 28, 2010