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M16C/62P Group (M16C/62P, M16C/62PT)
Memory expansion mode where PM13 =0
ROM address
000000h
040000h
080000h
0C0000h
100000h
140000h
180000h
Data
1C0000h
200000h
240000h
280000h
2C0000h
300000h
340000h
380000h
Program
or data
3C0000h
Program
or data
3FFFFFh
Figure 9.7 Relationship Between Addresses on 4-Mbyte ROM and Those on Microcomputer (1)
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
(512 Kbytes)
40000h
BFFFFh
bank 0
(512 Kbytes)
40000h
BFFFFh
bank 1
(512 Kbytes)
40000h
BFFFFh
bank 1
(512 Kbytes)
40000h
BFFFFh
bank 2
(512 Kbytes)
40000h
BFFFFh
bank 2
(512 Kbytes)
40000h
BFFFFh
bank 3
(512 Kbytes)
40000h
BFFFFh
bank 3
40000h
(512 Kbytes)
bank 4
BFFFFh
(512 Kbytes)
40000h
BFFFFh
bank 4
40000h
(512 Kbytes)
bank 5
BFFFFh
(512 Kbytes)
40000h
BFFFFh
bank 5
40000h
(512 Kbytes)
bank 6
BFFFFh
(512 Kbytes)
40000h
BFFFFh
bank 6
40000h
(512 Kbytes)
bank 7
BFFFFh
(512 Kbytes)
BFFFFh
page 62
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
BFFFFh
0
0
0
40000h
0
0
1
BFFFFh
0
0
0
0
40000h
0
BFFFFh
0
0
1
0
0
40000h
1
BFFFFh
0
1
40000h
0
1
0
0
1
BFFFFh
2
40000h
0
1
1
BFFFFh
0
1
40000h
0
1
0
BFFFFh
0
1
3
0
1
40000h
1
BFFFFh
1
0
40000h
1
0
0
BFFFFh
1
0
4
40000h
1
0
1
BFFFFh
1
0
40000h
1
0
0
BFFFFh
1
0
5
40000h
1
0
1
BFFFFh
1
1
40000h
1
1
0
1
1
BFFFFh
6
40000h
1
1
1
BFFFFh
1
1
40000h
1
1
7FFFFh
1
1
80000h
1
1
BFFFFh
1
1
7
0
C0000h
1
1
CFFFFh
1
1
D0000h
DFFFFh
D0000h
DFFFFh
A21
A20
A19
Address Input for 4-Mbyte ROM
N.C.: No connected
Address Output
A16 A15 to A0
A19
A18
A17
0
0
1
0
0
0000h
0
1
0
1
1
FFFFh
0
1
0
0
0
0000h
1
0
1
1
1
FFFFh
1
0
1
0
0
0000h
1
1
0
1
1
FFFFh
1
1
0
0
0
0000h
0
0
1
1
1
FFFFh
0
0
1
0
0
0000h
0
1
0
1
1
FFFFh
0
1
0
0
0
0000h
1
0
1
1
1
FFFFh
1
0
1
0
0
0000h
1
1
0
1
1
FFFFh
1
1
0
0
0
0000h
0
0
1
1
1
FFFFh
0
0
1
0
0
0000h
0
1
0
1
1
FFFFh
0
1
0
0
0
0000h
1
0
1
1
1
FFFFh
1
0
1
0
0
0000h
1
1
0
1
1
FFFFh
1
1
0
0
0
0000h
0
0
1
1
1
FFFFh
0
0
1
0
0
0000h
0
1
0
1
1
FFFFh
0
1
0
0
0
0000h
1
0
1
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
1
1
1
0
0
0000h
1
1
1
0
0
FFFFh
Internal ROM access
Internal ROM access
Internal ROM access
Internal ROM access
A16 A15 to A0
A18
N.C.
A17
Address input for
000000h
07FFFFh
040000h
0BFFFFh
080000h
0FFFFFh
0C0000h
13FFFFh
100000h
17FFFFh
140000h
1BFFFFh
180000h
1FFFFFh
1C0000h
23FFFFh
200000h
27FFFFh
240000h
2BFFFFh
280000h
2FFFFFh
2C0000h
33FFFFh
300000h
37FFFFh
340000h
3BFFFFh
380000h
3BFFFFh
3C0000h
3FFFFFh
3C0000h
3CFFFFh
4-Mbyte ROM
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