HD64F2357F20V Datasheet, PDF (141/1049 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-chip Microcomputer H8S Family / H8S/2300 Series

Bits 3 and 2—Area 5 Wait Control 1 and 0 (W51, W50): These bits select the number of program wait states when area
5 in external space is accessed while the AST5 bit in ASTCR is set to 1.
Bit 3
W51
0
1
Bit 2
W50
0
1
0
1
Description
Program wait not inserted when external space area 5 is accessed
1 program wait state inserted when external space area 5 is accessed
2 program wait states inserted when external space area 5 is accessed
3 program wait states inserted when external space area 5 is accessed
(Initial value)
Bits 1 and 0—Area 4 Wait Control 1 and 0 (W41, W40): These bits select the number of program wait states when area
4 in external space is accessed while the AST4 bit in ASTCR is set to 1.
Bit 1
W41
0
1
Bit 0
W40
0
1
0
1
Description
Program wait not inserted when external space area 4 is accessed
1 program wait state inserted when external space area 4 is accessed
2 program wait states inserted when external space area 4 is accessed
3 program wait states inserted when external space area 4 is accessed
(Initial value)
(2) WCRL
Bit
:
Initial value :
R/W
:
7
W31
1
R/W
6
W30
1
R/W
5
W21
1
R/W
4
W20
1
R/W
3
W11
1
R/W
2
W10
1
R/W
1
W01
1
R/W
0
W00
1
R/W
Bits 7 and 6—Area 3 Wait Control 1 and 0 (W31, W30): These bits select the number of program wait states when area
3 in external space is accessed while the AST3 bit in ASTCR is set to 1.
Bit 7
W31
0
1
Bit 6
W30
0
1
0
1
Description
Program wait not inserted when external space area 3 is accessed
1 program wait state inserted when external space area 3 is accessed
2 program wait states inserted when external space area 3 is accessed
3 program wait states inserted when external space area 3 is accessed
(Initial value)
Rev.6.00 Oct.28.2004 page 111 of 1016
REJ09B0138-0600H