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ADRCR—Address Control Register
Bit
Modes
Initial value
1 and
Read/Write
5 to 7
Initial value
Mode 3
Read/Write
7
6
A
E
A
E
23
22
1
1
—
—
1
1
R/W
R/W
Address 23 to 21 enable
0 Address output
1 I/O pins other than the above
5
4
A
E
—
—
21
1
1
—
—
—
1
1
R/W
—
—
H'F3
3
2
1
—
—
1
1
1
—
—
1
1
1
—
—
Bus controller
0
—
0
R/W
0
R/W
651
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