HD64F2638F20J Datasheet, PDF (1409/1512 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

H8S/2639, H8S/2638, H8S/2636,
H8S/2630, H8S/2635 Group
Appendix B Internal I/O Register
WCRL—Wait Control Register L
Bit
Initial value
Read/Write
7
W31
1
R/W
6
W30
1
R/W
5
W21
1
R/W
4
W20
1
R/W
H'FED3
3
W11
1
R/W
2
W10
1
R/W
Bus Controller
1
W01
1
R/W
0
W00
1
R/W
Area 0 Wait Control 1 and 0
0 0 Program wait not inserted when external
space area 0 is accessed
1 1 program wait state inserted when external
space area 0 is accessed
1 0 2 program wait states inserted when external
space area 0 is accessed
1 3 program wait states inserted when external
space area 0 is accessed
Area 1 Wait Control 1 and 0
0 0 Program wait not inserted when external space area 1 is accessed
1 1 program wait state inserted when external space area 1 is accessed
1 0 2 program wait states inserted when external space area 1 is accessed
1 3 program wait states inserted when external space area 1 is accessed
Area 2 Wait Control 1 and 0
0 0 Program wait not inserted when external space area 2 is accessed
1 1 program wait state inserted when external space area 2 is accessed
1 0 2 program wait states inserted when external space area 2 is accessed
1 3 program wait states inserted when external space area 2 is accessed
Area 3 Wait Control 1 and 0
0 0 Program wait not inserted when external space area 3 is accessed
1 1 program wait state inserted when external space area 3 is accessed
1 0 2 program wait states inserted when external space area 3 is accessed
1 3 program wait states inserted when external space area 3 is accessed
REJ09B0103-0800 Rev. 8.00
May 28, 2010
Page 1359 of 1458