Fujitsu FR60 Hardware Manual page 63

■ Memory Map
Figure 3.1-1 shows the memory map of the MB91301 series.
(MB91302A)
(Single chip
mode)
0000 0000
H
I/O
0000 0400
H
I/O
0001 0000
H
0002 0000
H
Access
0003 E000
prohibited
H
0003 F000
H
Internal
RAM
4K bytes
0004 0000
H
0004 2000
H
Access
0006 0000
H
prohibited
000E 0000
H
000F E000
H
000F F000
H
0010 0000
H
Access
prohibited
FFFF FFFF
H
In addition to user ROM model, MB91302A has model without ROM, optimum real time OS internal model,
and IPL (Internal Program Loader) model.
*1 : On specific area between 10000
CACHE".
When cache function is ON, all access areas including internal ROM/RAM are object of cache.
*2 : The real time OS internal model stores the real time OS kernel. The program loader internal model stores
the program loader.
Note: Internal ROM emulation: only MB91V301A
Figure 3.1-1 Memory Map
(MB91302A)
Internal ROM
External bus
mode
Direct
Direct
addre
addre
I/O
ssing
ssing
area
area
see see
"■I/O "■I/O
I/O
MAP" MAP"
I/O I/O
Access
prohibited
Internal
RAM
4K bytes
External
area
Access
prohibited
Internal
ROM
2
4K bytes*
External
area
and 20000
H H
CHAPTER 3 CPU AND CONTROL UNITS
(MB91302A)
(MB91V301A)
External ROM
Internal ROM
External bus
External bus mode
mode
(MODR register at
ROM=1)
Direct
addre
I/O
ssing
area
see
"■I/O
I/O MAP"
I/O
Access
Access
prohibited
prohibited
Internal
Internal
8K bytes
RAM
4K bytes
Internal
8K bytes
Access
prohibited
External
External
area
Internal
(8K bytes)
emulation
External
External
area
, 4-Kbyte RAM can be used. Refer to "■INSTRUCTION
(MB91 V301A)
External ROM
External bus mode
Direct
addre
I/O
I/O
ssing
area
see
"■I/O
I/O I/O
MAP"
I/O
Access
prohibited
Internal
RAM
RAM
8K bytes
RAM
External
area
area
RAM
ROM
External
area
area
Direct
addre
ssing
area
see
"■I/O
MAP"
I/O
43