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2.3
Address Space
Figure 2.2 shows a simple memory map for the H8/3062 Series. The H8/300H CPU can address a
linear address space with a maximum size of 64 kbytes in normal mode, and 16 Mbytes in
advanced mode. For further details see section 3.6, Memory Map in Each Operating Mode.
The 1-Mbyte operating modes use 20-bit addressing. The upper 4 bits of effective addresses are
ignored.
H'0000
H'00000
H'000000
H'FFFF
H'FFFFF
H'FFFFFF
a. 1-Mbyte mode
b. 16-Mbyte mode
Normal mode
Advanced mode
Figure 2.2 Memory Map
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