FR65E Fujitsu Microelectronics, Inc., FR65E Datasheet - Page 26

• Manufacturer Part Number: FR65E
• Description: 32-bit Microcontroller
• Manufacturer: Fujitsu Microelectronics, Inc.

26
MB91307B
1. Memory Space
2. Memory Map
Direct Addressing Areas
MEMORY SPACE
The FR family has 4 GB (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.
FFFF FFFF
byte data access
half word data access : 0-1FF
word data access
0000 0000
0000 0400
0001 0000
0004 0000
0006 0000
0010 0000
H
H
H
H
H
H
H
external bus mode
Internal ROM
External area
Internal RAM
prohibited
prohibited
Access
128 KB
Access
I/O
I/O
: This model does not support single chip mode
32
: 0-0FF
: 0-3FF
addresses) of logical address space with linear access from the CPU.
Direct addressing
H
H
H
See I/O map
area
external bus mode
External ROM
External area
External area
prohibited
Access
I/O
I/O
Single chip mode
Internal RAM
prohibited
prohibited
prohibited
Access
128 KB
Access
Access
I/O
I/O
FFFF FFFF
0000 0000
0000 0400
0001 0000
0004 0000
0006 0000
0010 0000
H
H
H
H
H
H
H