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ManualsBrandsRENESAS ManualsMicrocontrollers, Microprocessors & QuartzesEmbedded microcontroller LQFP 64 (10x10) 16-Bit 24 MHz I/O number 37
171172173174175176177178179180
Section 6 Bus Controller
Rev.7.00 Dec. 24, 2008 Page 123 of 698
REJ09B0074-0700
Bit Bit Name Initial Value R/W Description
3
2
W11
W10
1
1
R/W
R/W
Area 1 Wait Control 1 and 0
These bits select the number of program wait states
when area 1 in external space is accessed while the
AST1 bit in ASTCR is set to 1.
00: Program wait not inserted when external space area
1 is accessed
01: 1 program wait state inserted when external space
area 1 is accessed
10: 2 program wait states inserted when external space
area 1 is accessed
11: 3 program wait states inserted when external space
area 1 is accessed
1
0
W01
W00
1
1
R/W
R/W
Area 0 Wait Control 1 and 0
These bits select the number of program wait states
when area 0 in external space is accessed while the
AST0 bit in ASTCR is set to 1.
00: Program wait not inserted when external space area
0 is accessed
01: 1 program wait state inserted when external space
area 0 is accessed
10: 2 program wait states inserted when external space
area 0 is accessed
11: 3 program wait states inserted when external space
area 0 is accessed