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M16C/62P Group (M16C/62P, M16C/62PT)
Memory expansion mode where PM13 =1
ROM address
000000h
040000h
080000h
0C0000h
100000h
140000h
180000h
Data
1C0000h
200000h
240000h
280000h
2C0000h
300000h
340000h
380000h
3C0000h
Program
or data
3FFFFFh
Figure 9.8 Relationship Between Addresses on 4-Mbyte ROM and Those on Microcomputer (2)
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
Microcomputer address
OFS bit in DBR
OFS bit in DBR
register = 0
register = 1
40000h
bank 0
(256 Kbytes)
7FFFFh
40000h
bank 0
(256 Kbytes)
7FFFFh
40000h
bank 1
(256 Kbytes)
7FFFFh
40000h
bank 1
(256 Kbytes)
7FFFFh
40000h
bank 2
(256 Kbytes)
7FFFFh
40000h
bank 2
(256 Kbytes)
7FFFFh
40000h
bank 3
(256 Kbytes)
7FFFFh
40000h
bank 3
(256 Kbytes)
7FFFFh
40000h
bank 4
(256 Kbytes)
7FFFFh
40000h
bank 4
(256 Kbytes)
7FFFFh
40000h
bank 5
(256 Kbytes)
7FFFFh
40000h
bank 5
(256 Kbytes)
7FFFFh
40000h
bank 6
(256 Kbytes)
7FFFFh
40000h
bank 6
(256 Kbytes)
7FFFFh
40000h
bank 7
(256 Kbytes)
7FFFFh
40000h
bank 7
(256 Kbytes)
7FFFFh
page 63
f o
3
6
4
9. Memory Space Expansion Function
Output from the Microcomputer Pins
Bank
Access
OFS
CS Output
Number
Area
CS3
CS2
CS1
40000h
0
0
0
7FFFFh
0
0
0
40000h
0
0
1
7FFFFh
0
0
0
0
40000h
0
7FFFFh
0
0
1
0
0
40000h
1
7FFFFh
0
0
40000h
0
1
0
7FFFFh
0
1
2
40000h
0
1
1
0
1
7FFFFh
40000h
0
1
0
7FFFFh
0
1
3
40000h
0
1
1
7FFFFh
0
1
40000h
1
0
0
7FFFFh
1
0
4
40000h
1
0
1
7FFFFh
1
0
40000h
1
0
0
1
0
7FFFFh
5
40000h
1
0
1
1
0
7FFFFh
40000h
1
1
0
7FFFFh
1
1
6
40000h
1
1
1
7FFFFh
1
1
1
1
40000h
1
1
7FFFFh
0
7
80000h
FFFFFh
1
1
40000h
7FFFFh
1
1
1
7
80000h
FFFFFh
A21
A20
A19
N.C.: No connected
Address Output
A16 A15 to A0
A19
A18
A17
0
0
1
0
0
0000h
0
0
1
1
1
FFFFh
0
1
0
0
0
0000h
0
1
0
1
1
FFFFh
1
0
1
0
0
0000h
1
0
1
1
1
FFFFh
1
1
0
0
0
0000h
1
1
0
1
1
FFFFh
0
0
1
0
0
0000h
0
0
1
1
1
FFFFh
0
1
0
0
0
0000h
0
1
0
1
1
FFFFh
1
0
1
0
0
0000h
1
0
1
1
1
FFFFh
1
1
0
0
0
0000h
1
1
0
1
1
FFFFh
0
0
1
0
0
0000h
0
0
1
1
1
FFFFh
0
1
0
0
0
0000h
0
1
0
1
1
FFFFh
1
0
1
0
0
0000h
1
0
1
1
1
FFFFh
1
1
0
0
0
0000h
1
1
0
1
1
FFFFh
0
0
1
0
0
0000h
0
0
1
1
1
FFFFh
0
1
0
0
0
0000h
0
1
0
1
1
FFFFh
1
0
1
0
0
0000h
1
0
1
1
1
FFFFh
Internal ROM access
Internal ROM access
1
1
0
0
0
0000h
1
1
0
1
1
FFFFh
Internal ROM access
Internal ROM access
N.C.
A16 A15 to A0
A18
A17
Address input for
Address Input for 4-Mbyte ROM
000000h
03FFFFh
040000h
07FFFFh
080000h
0BFFFFh
0C0000h
0FFFFFh
100000h
13FFFFh
140000h
17FFFFh
180000h
1BFFFFh
1C0000h
1FFFFFh
200000h
23FFFFh
240000h
27FFFFh
280000h
2BFFFFh
2C0000h
2FFFFFh
300000h
33FFFFh
340000h
37FFFFh
380000h
3BFFFFh
3C0000h
3FFFFFh
4-Mbyte ROM
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