H8SLASH3021 datasheet(42/712 Pages) RENESAS

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H8/3021 数据表(PDF) 42 Page - Renesas Technology Corp

部件名	H8/3021

功能描述	16-Bit Single-Chip Microcomputer

PDF	712 Pages

Scroll/Zoom	100%

制造商	RENESAS [Renesas Technology Corp]

网页	http://www.renesas.com

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42 / 712 page

2. CPU

Rev.2.00 Mar. 22, 2007 Page 18 of 684

REJ09B0352-0200

2.3

Address Space

The maximum address space of the H8/300H CPU is 16 Mbytes. This LSI allows selection of a

normal mode and advanced mode 1-Mbyte mode or 16-Mbyte mode for the address space

depending on the MCU operation mode. Figure 2.2 shows the address ranges of the H8/3022

Group. 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'000000

H'FFFFFF

(b) 16-Mbyte mode

(a) 1-Mbyte mode

2. Advanced mode

1. Normal mode

(64-Kbyte mode)*

Note: * Normal mode cannot be used with this LSI.

H'00000

H'FFFFF

H'0000

H'FFFF

Figure 2.2 Memory Map

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