h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 145
h8s-2649
Manufacturer Part Number
h8s-2649
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2649.pdf
(766 pages)
- Current page: 145 of 766
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7.3.3
WCRH and WCRL select the number of program wait states for each area in the external address
space.
• WCRH
Bit
7
6
5
4
3
2
1
0
Bit Name
W71
W70
W61
W60
W51
W50
W41
W40
Wait Control Registers H and L (WCRH and WCRL)
Initial
Value
1
1
1
1
1
1
1
1
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Description
Area 7 Wait Control 1 and 0
These bits select the number of program wait states
when accessing area 7 while AST7 bit in ASTCR = 1.
00: Program wait not inserted
01: 1 program wait state inserted
10: 2 program wait states inserted
11: 3 program wait states inserted
Area 6 Wait Control 1 and 0
These bits select the number of program wait states
when accessing area 6 while AST6 bit in ASTCR = 1.
00: Program wait not inserted
01: 1 program wait state inserted
10: 2 program wait states inserted
11: 3 program wait states inserted
Area 5 Wait Control 1 and 0
These bits select the number of program wait states
when accessing area 5 while AST5 bit in ASTCR = 1.
00: Program wait not inserted
01: 1 program wait state inserted
10: 2 program wait states inserted
11: 3 program wait states inserted
Area 4 Wait Control 1 and 0
These bits select the number of program wait states
when accessing area 4 while AST4 bit in ASTCR = 1.
00: Program wait not inserted
01: 1 program wait state inserted
10: 2 program wait states inserted
11: 3 program wait states inserted
Rev. 2.00 Dec. 05, 2005 Page 107 of 724
Section 7 Bus Controller (BSC)
REJ09B0200-0200
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