Datasheet

Section 7 Bus Controller
Rev. 6.00 Mar. 18, 2010 Page 170 of 982
REJ09B0054-0600
Bit Bit Name Initial Value R/W Description
3
2
W51
W50
1
1
R/W
R/W
Area 5 Wait Control 1 and 0
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.
00: Program wait not inserted when external space area
5 is accessed
01: 1 program wait state inserted when external space
area 5 is accessed
10: 2 program wait states inserted when external space
area 5 is accessed
11: 3 program wait states inserted when external space
area 5 is accessed
1
0
W41
W40
1
1
R/W
R/W
Area 4 Wait Control 1 and 0
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.
00: Program wait not inserted when external space area
4 is accessed
01: 1 program wait state inserted when external space
area 4 is accessed
10: 2 program wait states inserted when external space
area 4 is accessed
11: 3 program wait states inserted when external space
area 4 is accessed
• WCRL
Bit Bit Name Initial Value R/W Description
7
6
W31
W30
1
1
R/W
R/W
Area 3 Wait Control 1 and 0
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.
00: Program wait not inserted when external space area
3 is accessed
01: 1 program wait state inserted when external space
area 3 is accessed
10: 2 program wait states inserted when external space
area 3 is accessed
11: 3 program wait states inserted when external space
area 3 is accessed