參數(shù)資料
型號: FR65E
廠商: Fujitsu Limited
英文描述: 32-Bit Microcontroller
中文描述: 32位微控制器
文件頁數(shù): 26/87頁
文件大小: 369K
代理商: FR65E
MB91307B
26
I
MEMORY SPACE
1.
Memory Space
The FR family has 4 GB (2
32
addresses) of logical address space with linear access from the CPU.
Direct Addressing Areas
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.
byte data access
: 0-0FF
H
half word data access : 0-1FF
H
word data access
: 0-3FF
H
2.
Memory Map
The following diagram illustrates memory space in the FR family.
0000 0000
H
0000 0400
H
0001 0000
H
0004 0000
H
0006 0000
H
0010 0000
H
FFFF FFFF
H
0000 0000
H
0000 0400
H
0001 0000
H
0004 0000
H
0006 0000
H
0010 0000
H
FFFF FFFF
H
I/O
I/O
I/O
I/O
I/O
I/O
: This model does not support single chip mode
Direct addressing
area
See I/O map
Access
prohibited
Internal RAM
128 KB
Access
prohibited
External area
Access
prohibited
External area
Access
prohibited
Internal RAM
128 KB
Access
prohibited
Access
prohibited
External area
Internal ROM
external bus mode
External ROM
external bus mode
Single chip mode
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