mb91307r Fujitsu Microelectronics, Inc., mb91307r Datasheet - Page 31

• Manufacturer Part Number: mb91307r
• Description: 32-bit Microcontroller Cmos Fr60 Mb91307 Series
• Manufacturer: Fujitsu Microelectronics, Inc.

1. Memory Space
•Direct Addressing Areas
2. Memory Map
MEMORY SPACE
The FR family has 4G bytes (2
The following areas of address space are used for I/O operations.
These areas are called direct addressing areas, in which the address of an operand can be specified directly
during an instruction.
The direct areas differ according to the size of the data accessed, as follows.
The following diagram illustrates memory space in the FR family.
→ byte data access
→ half word data access : 000
→ word data access
FFFF FFFF
0005 0000
0000 0000
0000 0400
0001 0000
0004 0000
0006 0000
0010 0000
H
H
H
H
H
H
H
H
external bus mode
Internal ROM
External area
Internal RAM
128K bytes
prohibited
MB91307R
prohibited
Access
Access
I/O
I/O
: 000
: 000
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H
H
H
addresses) of logical address space with linear access from the CPU.
to 0FF
to 1FF
to 3FF
external bus mode
Internal ROM
External area
MB91306R
Internal RAM
128K bytes
prohibited
prohibited
Access
Access
H
H
H
I/O
I/O
MB91306R/MB91307R
External bus mode
External area
External area
prohibited
Access
I/O
I/O
0000 0000
0000 0400
0001 0000
0004 0000
0006 0000
0010 0000
MB91307 Series
H
H
H
H
H
H
Direct addressing
Refer to I/O map
area
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