H8S-2626 Datasheet, PDF (170/1069 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcomputer

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)
Rev. 5.00 Jan 10, 2006 page 146 of 1042
REJ09B0275-0500