HD6432670 Hitachi, HD6432670 Datasheet - Page 173

• Manufacturer Part Number: HD6432670
• Description: (HD64F267x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

Bit
3
2
1
0
Bit
15
14
13
12
11
WTCRBH
Bit Name
W42
W41
W40
Bit Name
W32
W31
W30
Initial Value
0
1
1
1
Initial Value
0
1
1
1
0
R/W
R
R/W
R/W
R/W
R/W
R
R/W
R/W
R/W
R
Description
Reserved
This bit is always read as 0 and cannot be
modified.
Area 4 Wait Control 2 to 0
These bits select the number of program wait
states when accessing area 4 while AST4 bit in
ASTCR = 1.
000: Program wait not inserted
001: 1 program wait state inserted
010: 2 program wait states inserted
011: 3 program wait states inserted
100: 4 program wait states inserted
101: 5 program wait states inserted
110: 6 program wait states inserted
111: 7 program wait states inserted
Description
Reserved
This bit is always read as 0 and cannot be
modified.
Area 3 Wait Control 2 to 0
These bits select the number of program wait
states when accessing area 3 while AST3 bit in
ASTCR = 1.
000: Program wait not inserted
001: 1 program wait state inserted
010: 2 program wait states inserted
011: 3 program wait states inserted
100: 4 program wait states inserted
101: 5 program wait states inserted
110: 6 program wait states inserted
111: 7 program wait states inserted
Reserved
This bit is always read as 0 and cannot be
modified.
Rev. 2.0, 04/02, page 127 of 906