HD6473032F Datasheet, PDF (32/572 Pages) Hitachi Semiconductor – Hitachi Microcomputer

2.2 CPU Operating Modes
The H8/300H CPU has two operating modes: normal and advanced. Normal mode supports a
maximum 64-kbyte address space. Advanced mode supports up to 1 Mbytes. See figure 2-1.
CPU operating modes
Normal mode
Maximum 64 kbytes, program
and data areas combined
Advanced mode
Maximum 1 Mbyte, program
and data areas combined
Figure 2-1 CPU Operating Modes
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