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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 16 Mbytes. See figure 2-1.
Unless specified otherwise, all descriptions in this manual refer to advanced mode.
CPU operating modes
Normal mode
*
Advanced mode
Maximum 64 kbytes, program
and data areas combined
Maximum 16 Mbytes, program
and data areas combined
Note:
*
Normal mode cannot be used with this LSI.
Figure 2-1 CPU Operating Modes