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Chapter 31 External Bus
2.External Bus Interface Registers
select area.
Figure 2-2
"Configuration of Area Configuration Registers 0-7 (ACR0-7)" shows the configuration of area
configuration registers 0-7 (ACR0-7).
Figure 2-2 Configuration of Area Configuration Registers 0-7 (ACR0-7) (Continued on next page)
15
ACR0H
0000 0642
ASZ3 ASZ2 ASZ1 ASZ0 DBW1 DBW0 BST1 BST0 1111**00
H
ACR0L
0000 0643
SREN PFEN WREN
H
15
ACR1H
0000 0646
ASZ3 ASZ2 ASZ1 ASZ0 DBW1 DBW0 BST1 BST0
H
ACR1L
0000 0647
SREN PFEN WREN LEND TYP3 TYP2 TYP1 TYP0 xxxxxxxx
H
15
ACR2H
0000 064A
ASZ3 ASZ2 ASZ1 ASZ0 DBW1 DBW0 BST1 BST0
H
ACR2L
0000 064B
SREN PFEN WREN LEND TYP3 TYP2 TYP1 TYP0
H
15
ACR3H
0000 064E
ASZ3 ASZ2 ASZ1 ASZ0 DBW1 DBW0 BST1 BST0
H
ACR3L
0000 064F
SREN PFEN WREN LEND TYP3 TYP2 TYP1 TYP0
H
514
14
13
12
7
6
5
4
0
14
13
12
7
6
5
4
14
13
12
7
6
5
4
14
13
12
7
6
5
4
11
10
9
8
3
2
1
0
TYP3 TYP2 TYP1 TYP0
11
10
9
8
3
2
1
0
11
10
9
8
3
2
1
0
11
10
9
8
3
2
1
0
Initial value
INIT
RST
1111**00
B
B
00000000
00000000
B
B
Xxxxxxxx
xxxxxxxx
B
B
Xxxxxxxx
B
B
xxxxxxxx
xxxxxxxx
B
B
xxxxxxxx
xxxxxxxx
B
B
xxxxxxxx
xxxxxxxx
B
B
Xxxxxxxx
xxxxxxxx
B
B
Access
W/R
W/R
W/R
W/R
W/R
W/R
W/R
W/R
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