H8/3004 Ver la hoja de datos (PDF) - Renesas Electronics

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H8/3004

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2.3 Address Space

The H8/300H CPU can address a linear address space with a maximum size of 16 Mbytes.

1-Mbyte mode or 16-Mbyte mode can be selected for the H8/300H address space, according to the

MCU operating mode. An outline memory map for the H8/3004 and H8/3005 is shown in figure

2-2. For further details see section 3.5, 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

a. 1-Mbyte mode

H'FFFFFF

b. 16-Mbyte mode

Figure 2-2 Memory Map

16

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