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2.6 Memory Map
■
Memory Map Common to the FR Series
The FR series defines the following memory map. This memory map is common throughout the
FR series regardless of types (except in single chip mode).
Figure 2.6.2 shows the memory map common to the FR series.
Figure 2.6-2 Memory Map Common to the FR Series.
<Note>
The external areas cannot be accessed in single chip mode.
The MB91F109 assigns internal ROM area 0C0000
H
to 0C07FF
H
to 2 kilobytes of internal RAM.
(PDR)
Byte I/O
HalfWord I/O
Word I/O
1KB
00000000H
00000100H
00000200H
00000400H
00000800H
00000010H
00001000H
00010000H
00080000H
000C0000H
00100000H
FFFFFFFFH
Direct addressing area
Other I/O
Access inhibited
Internal RAM or
access inhibited
External area
Instruction ROM
or external area
Internal ROM
or external area
Initial vector area
External area
(60KB)
(256KB)