MB91233L Datasheet, PDF (24/66 Pages) Fujitsu Component Limited. – 32-bit Microcontroller

MB91230 Series
s MEMORY SPACE
1. Memory space
The FR60 Lite family has 4 gigabytes of logical address space (2³² addresses) available to the CPU by linear
access.
• Direct Addressing Areas
The following address space areas are used as I/O areas.
These areas are called direct addressing areas, in which the address of an operand can be specified directly
during an instruction.
The size of directly addressable areas depends on the length of the data being accessed as shown below.
• byte data access
: 0 to 0FFH
• half word data access : 0 to 1FFH
• word data access : 0 to 3FFH
2. Memory Map
MB91V230
0000 0000H
I/O
0000 0400H
I/O
0001 0000H _Access
disallowed
0003 A000H _{Built-in RAM}
24 KB
0004 0000H
0008 0000H
Access
disallowed
Emulation
SRAM area
512 KB
0010 0000H
Access
disallowed
FFFF FFFFH
Direct Addressing
Areas
Refer to I/O Map
MB91F233/L, MB91233L
I/O
I/O
0001 0000H
Access
disallowed
0003 C000H
0004 0000H
Built-in RAM
16 KB
Access
disallowed
000C 0000H _Built-in
FLASH ROM
256 KB
0010 0000H
Access
disallowed
FFFF FFFFH
Note : Do not set the external bus mode in which the MB91230 series cannot operate.
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