
MB91133/MB91F133
23
I
CPU
1.
Memory Space
The FR series has 4 Gbytes (2
32
addresses) of logic address space which the CPU accesses linearly.
Memory Map
* : It is impossible to access the external area on single-chip mode. When accessing the external area, select the
internal ROM external bus mode.
I/O
I/O
I/O
I/O
I/O
External ROM
external bus mode
Internal ROM
external bus mode
Single-chip mode
I/O
Access is
prohibited
Access is
prohibited
Access is
prohibited
Built-in RAM 6 KB
Built-in RAM 6 KB
Built-in RAM 6 KB
Access is
prohibited
Access is
prohibited
Access is
prohibited
External area
External area
External area
Built-in RAM 2KB
Built-in RAM 2KB
Built-in ROM
254KB
Built-in ROM
254KB
Access is
prohibited
Access is
prohibited
0000 0000
H
0000 0400
H
0000 0800
H
0000 1000
H
0000 2800
H
0001 0000
H
FFFF FFFF
H
010 0000
H
000C 0000
H
000C 0800
H
0001 0000
H
Refer to "I/O MAP"
Direct
Madressing
area
FFFF FFFF
H