Datasheet

Section 6 Bus Controller
Rev.7.00 Dec. 24, 2008 Page 122 of 698
REJ09B0074-0700
• 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
5
4
W21
W20
1
1
R/W
R/W
Area 2 Wait Control 1 and 0
These bits select the number of program wait states
when area 2 in external space is accessed while the
AST2 bit in ASTCR is set to 1.
00: Program wait not inserted when external space area
2 is accessed
01: 1 program wait state inserted when external space
area 2 is accessed
10: 2 program wait states inserted when external space
area 2 is accessed
11: 3 program wait states inserted when external space
area 2 is accessed