Under
development
Preliminary Specifications REV.D
Specifications in this manual are tentative and subject to change.
Mitsubishi Microcomputers
M16C/80 group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
29
Processor Mode
Figure 1.6.3. Memory maps in each processor mode
Single
chip
mode
Memory
expanded
mode
Microprocessor
mode
SFR
area
Internal
RAM
area
Internal
reserved
area
Internal
ROM
area
No
use
External
area
0
CS2
2Mbytes
External
area
1
CS0
2Mbytes
External
area
3
No
use
Internal
ROM
area
Internal
reserved
area
Internal
ROM
area
Internal
reserved
area
Internal
ROM
area
Internal
reserved
area
CS0
3Mbytes
External
area
3
CS1
4Mbytes
(Note2)
External
area
0
External
area
3
No
use
CS0
2Mbytes
External
area
3
CS0
4Mbytes
External
area
3
000000
16
000400
16
000800
16
200000
16
400000
16
C00000
16
E00000
16
F00000
16
FFFFFF
16
Each
CS0
to
CS3
can
set
0
to
3
WAIT.
Mode
0
Mode
1
M
ode
2
M
ode
0
Mode
1
Mode
2
SFR
area
Internal
RAM
area
Internal
reserved
area
SFR
area
Internal
RAM
area
Internal
reserved
area
SFR
area
Internal
RAM
area
Internal
reserved
area
SFR
area
Internal
RAM
area
Internal
reserved
area
SFR
area
Internal
RAM
area
Internal
reserved
area
SFR
area
Internal
RAM
area
Mode
3
Internal
reserved
area
SFR
area
Internal
RAM
area
Internal
ROM
area
Internal
reserved
area
CS1,
1Mbytes
External
area
0
Mode
3
Internal
reserved
area
SFR
area
Internal
RAM
area
No
use
CS2,
1Mbytes
External
area
1
No
use
Connect
with
DRAM
0,
0.5
to
8MB
(When
not
connect
with
DRAM,
use
as
external
area.)
Connect
with
DRAM
0,
0.5
to
8MB
(When
open
area
is
under
8MB,
cannot
use
the
rest
of
this
area.)
Connect
with
DRAM
0,
0.5
to
8MB
(When
open
area
is
under
8MB,
cannot
use
the
rest
of
this
area.)
Connect
with
DRAM
0,
0.5
to
8MB
(When
open
area
is
under
8MB,
cannot
use
the
rest
of
this
area.)
No
use
(Cannot
use
as
DRAM
area
or
external
area.)
Connect
with
DRAM
0,
0.5
to
8MB
(When
not
connect
with
DRAM,
use
as
external
area.)
Connect
with
DRAM
0,
0.5
to
8MB
(When
open
area
is
under
8MB,
cannot
use
the
rest
of
this
area.)
No
use
(Cannot
use
as
DRAM
area
or
external
area.)
No
use
No
use
No
use
CS1
2Mbytes
(Note1)
External
area
0
No
use
Note
1:
200000
16
–008000
16
=2016
Kbytes.
32
K
less
than
2
MB.
Note
2:
400000
16
–008000
16
=4064
Kbytes.
32
K
less
than
4
MB.
External
area
1
External
area
0
CS2
2Mbytes
External
area
1
CS1
4Mbytes
(Note2)
External
area
0
CS1,
1Mbytes
External
area
0
CS2,
1Mbytes
External
area
1
CS1
2Mbytes
(Note1)
External
area
0
External
area
1
(External
area
2)
(External
area
2)
(External
area
2)
(External
area
2)
(External
area
2)
(External
area
2)
External
area
3
CS3,
1Mbytes
External
area
2
CS0,
1Mbytes
External
area
3
CS3,
1Mbytes
External
area
2
CS0,
1Mbytes
External
area
3
Processor Mode