
European MCU Design Centre
MB91F464AA preliminary datasheet ver. 1.11
Page 8 of 67
2.2.1 Memory Map
0050:0000h-
FFFF:FFFFh
External Bus Area
(not available on MB91F464AA)
001C:0000h-
001F:FFFFh
0020:0000h-
0027:FFFFh
0028:0000h-
002F:FFFFh
0030:0000h-
0037:FFFFh
0038:0000h-
003F:FFFFh
0040:0000h-
0047:FFFFh
0048:0000h-
004F:FFFFh
0018:0000h-
001B:FFFFh
0004:0000h-
0005:FFFFh
0006:0000h-
0007:FFFFh
0008:0000h-
0009:FFFFh
000A:0000h-
000B:FFFFh
000C:0000h-
000D:FFFFh
000E:0000h-
000F:FFFFh
0010:0000h-
0013:FFFFh
0014:0000h-
0017:FFFFh
0002:0000h-
0002:FFFFh
0003:0000h-
0003:FFFFh
0000:C000h-
0000:CFFFh
CAN
0001:0000h-
0001:FFFFh
0000:7000h-
0000:70FFh
Flash Memory Control
0000:8000h-
0000:BFFFh
0000:1000h-
0000:10FFh
DMA
0000:2000h-
0000:5FFFh
MB91F464AA
0000:0000h-
0000:00FFh
I/O Byte Data
0000:0100h-
0000:01FFh
I/O Halfword Data
0000:0200h-
0000:03FFh
I/O Word Data
0000:0400h-
0000:0FFFh
I/O
000A:0000h-
000B:FFFFh
000C:0000h-
000D:FFFFh
0000:0400h-
0000:0FFFh
0002:0000h-
0002:FFFFh
0003:0000h-
0003:FFFFh
0004:0000h-
0005:FFFFh
0000:1000h-
0000:10FFh
0000:7000h-
0000:70FFh
0000:8000h-
0000:BFFFh
0000:C000h-
0000:CFFFh
0040:0000h-
0047:FFFFh
0048:0000h-
004F:FFFFh
0050:0000h-
FFFF:FFFFh
001C:0000h-
001F:FFFFh
0020:0000h-
0027:FFFFh
0028:0000h-
002F:FFFFh
0030:0000h-
0037:FFFFh
Flash Memory Control
Flash Memory I-Cache Control
CAN
Data RAM (64 kB)
0038:0000h-
003F:FFFFh
000E:0000h-
000F:FFFFh
0010:0000h-
0013:FFFFh
0014:0000h-
0017:FFFFh
0018:0000h-
001B:FFFFh
0006:0000h-
0007:FFFFh
0008:0000h-
0009:FFFFh
Emulation SRAM Area
(max 4.864 kB)
or
External Bus Area
depending on ROMA/ROMS
setting
External Bus Area
ROMS00
(128 kB)
ROMS01
(128 kB)
ROMS02
(128 kB)
ROMS03
(128 kB)
ROMS04
(128 kB)
ROMS05
(128 kB)
ROMS06
(256 kB)
ROMS07
(256 kB)
ROMS13
(512 kB)
ROMS14
(512 kB)
ROMS15
(512 kB)
ROMS08
(256 kB)
ROMS09
(256 kB)
ROMS10
(512 kB)
ROMS11
(512 kB)
ROMS12
(512 kB)
MB91V460A
External Bus I-Cache (4 kB) or
Instruction RAM (4 kB)
0000:2000h-
0000:5FFFh
Flash Memory I-Cache (16 kB) or
Instruction RAM (16 kB)
0001:0000h-
0001:FFFFh
0000:0000h-
0000:00FFh
0000:0100h-
0000:01FFh
DMA
Legend
Memory available in this area
Memory not available in this area
available, but no
memory mapped
access
0000:0200h-
0000:03FFh
Instruction/Data RAM (64 kB)
I/O Byte Data
I/O Halfword Data
I/O Word Data
I/O
External Bus Area
(not available on MB91F464AA)
ROMS6 setting
fixed to external
area
ROMS7 setting
fixed to internal
area
External Bus Area
(not available on MB91F464AA)
R
O
M
S
8-
15
se
tt
in
g
fix
e
d
to
ex
te
rn
al
ar
e
a
Flash Memory Area
(384 KB)
External Bus Area
(not available on MB91F464AA)
R
O
M
S
0
-1
se
tt
in
g
fix
ed
to
e
xt
er
na
la
re
a
R
O
M
S
2
-5
se
tt
in
g
fix
e
d
to
in
te
rn
al
ar
ea
Boot ROM (4 kB)
Data RAM (8 kB)
Instruction/Data RAM (8 kB)
Boot ROM (4 kB)
Instruction/Data RAM (8 kB)
Flash Memory Area
(32 KB)