![](http://datasheet.mmic.net.cn/330000/MB90F351TE_datasheet_16437797/MB90F351TE_32.png)
MB90350E Series
32
■
MEMORY MAP
Note : The high-order portion of bank 00 gives the image of the FF bank ROM to make the small model of the C
compiler effective. Since the low-order 16 bits are the same, the table in ROM can be referenced without
using the far specification in the pointer declaration.
For example, an attempt to access 00C000
H
practically accesses the value at FFC000
H
in ROM.
The ROM area in bank FF exceeds 32 Kbytes, and its entire image cannot be shown in bank 00.
The image between FF8000
H
and FFFFFF
H
is visible in bank 00, while the image between FF0000
H
and
FF7FFF
H
is visible only in bank FF.
MB90
3
51E (
S
)
MB90
3
51TE (
S
)
MB90F
3
51E (
S
)
MB90F
3
51TE (
S
)
MB90
3
56E (
S
)
MB90
3
56TE (
S
)
MB90F
3
56E (
S
)
MB90F
3
56TE (
S
)
MB90
3
52E (
S
)
MB90
3
52TE (
S
)
MB90F
3
52E (
S
)
MB90F
3
52TE (
S
)
MB90
3
57E (
S
)
MB90
3
57TE (
S
)
MB90F
3
57E (
S
)
MB90F
3
57TE (
S
)
MB90V
3
40E-101
MB90V
3
40E-102
MB90V
3
40E-10
3
MB90V
3
40E-104
FFFFFF
H
F90000
H
F
8
FFFF
H
F9FFFF
H
FA0000
H
FAFFFF
H
FB0000
H
FBFFFF
H
FC0000
H
FCFFFF
H
FD0000
H
FDFFFF
H
FE0000
H
FEFFFF
H
FF0000
H
F
8
0000
H
00FFFF
H
00
8
000
H
007FFF
H
007900
H
007
8
FF
H
000100
H
0000EF
H
000000
H
FFFFFF
H
C00100
H
FDFFFF
H
FE0000
H
FEFFFF
H
FF0000
H
00FFFF
H
007FFF
H
00
8
000
H
007900
H
001100
H
0010FF
H
000100
H
0000EF
H
000000
H
FFFFFF
H
C00100
H
FDFFFF
H
FF0000
H
00FFFF
H
007FFF
H
00
8
000
H
007900
H
001100
H
0010FF
H
000100
H
0000EF
H
000000
H
ROM (FF bank)
ROM (FE bank)
ROM (FD bank)
ROM (FC bank)
ROM (FB bank)
ROM (FA bank)
ROM (F9 bank)
ROM (F8 bank)
ROM
(image of FF bank)
Peripheral
RAM 30 Kbytes
ROM (FF bank)
ROM (FE bank)
External access
area
RAM 4 Kbytes
ROM (FF bank)
Peripheral
Peripheral
ROM
(image of FF bank)
Peripheral
External access area
External access
area
ROM
(image of FF bank)
Peripheral
RAM 4 Kbytes
External access area
Peripheral
: No access
External access area
External access area