HD643303x Hitachi, HD643303x Datasheet - Page 33

• Manufacturer Part Number: HD643303x
• Description: Hitachi Microcomputer
• Manufacturer: Hitachi

2.3 Address Space
Figure 2-2 shows a simple memory map for the H8/3032 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 mode uses 20-bit addressing. The upper 4 bits of effective addresses are
ignored.
H'00000
H'000000
H'FFFFF
H'FFFFFF
a. 1-Mbyte mode
b. 16-Mbyte mode
Figure 2-2 Memory Map
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