HD64F2636F20 Datasheet, PDF (205/1512 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
Section 7 Bus Controller
Bits 5 and 4—Area 6 Wait Control 1 and 0 (W61, W60): These bits select the number of
program wait states when area 6 in external space is accessed while the AST6 bit in ASTCR is set
to 1.
Bit 5
W61
0
1
Bit 4
W60
0
1
0
1
Description
Program wait not inserted when external space area 6 is accessed
1 program wait state inserted when external space area 6 is accessed
2 program wait states inserted when external space area 6 is accessed
3 program wait states inserted when external space area 6 is accessed
(Initial value)
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)
REJ09B0103-0800 Rev. 8.00
May 28, 2010
Page 155 of 1458