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M16C/62P Group (M16C/62P, M16C/62PT)
Data Bank Register
b7
b6
b5
b4
NOTES:
1. Effective when the PM01 to PM00 bits in the PM0 register are set to "01b" (memory expansion mode) or
"11b" (microprocessor mode).
Figure 9.1 DBR Register
R
e
. v
2
3 .
0
S
e
p
0
, 1
2
0
0
4
R
E
J
0
9
B
0
1
8
5
0 -
2
3
0
Z
(1)
b3
b2
b1
b0
Symbol
DBR
Bit Symbol
Nothing is assigned. When write, set to "0". When read, its content is
(b1-b0)
"0".
Offset Bit
OFS
BSR0
Bank Selection Bits
BSR1
BSR2
Nothing is assigned. When write, set to "0". When read, its content is
(b7-b6)
"0".
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f o
3
6
4
9. Memory Space Expansion Function
Address
After Reset
000Bh
00h
Bit Name
0: Not offset
1: Offset
b5 b4 b3
0 0 0: Bank 0
0 1 0: Bank 2
1 0 0: Bank 4
1 1 0: Bank 6
Function
RW
RW
b5 b4 b3
RW
0 0 1: Bank 1
0 1 1: Bank 3
RW
1 0 1: Bank 5
1 1 1: Bank 7
RW
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