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H8/3028F Datasheet(PDF) 160 Page - Renesas Technology Corp

No. de pieza H8/3028F
Descripción Electrónicos  Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series
PDF  923 Pages
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Fabricante Electrónico  RENESAS [Renesas Technology Corp]
Página de inicio  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H8/3028F Datasheet(HTML) 160 Page - Renesas Technology Corp

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Rev. 2.00, 09/03, page 130 of 890
6.3
Operation
6.3.1
Area Division
The external address space is divided into areas 0 to 7. Each area has a size of 128 kbytes in the 1-
Mbyte modes, or 2-Mbytes in the 16-Mbyte modes. Figure 6.2 shows a general view of the
memory map.
H' 00000
H' 1FFFF
H' 20000
H' 3FFFF
H' 40000
H' 5FFFF
H' 60000
H' 7FFFF
H' 80000
H' 9FFFF
H' A0000
H' BFFFF
H' C0000
H' DFFFF
H' E0000
H' FFFFF
Area 0 (128 kbytes)
Area 1 (128 kbytes)
Area 2 (128 kbytes)
Area 3 (128 kbytes)
Area 4 (128 kbytes)
Area 5 (128 kbytes)
Area 6 (128 kbytes)
Area 7 (128 kbytes)
H' 000000
H' 1FFFFF
H' 200000
H' 3FFFFF
H' 400000
H' 5FFFFF
H' 600000
H' 7FFFFF
H' 800000
H' 9FFFFF
H' A00000
H' BFFFFF
H' C00000
H' DFFFFF
H' E00000
H' FFFFFF
Area 0 (2 Mbytes)
Area 1 (2 Mbytes)
Area 2 (2 Mbytes)
Area 3 (2 Mbytes)
Area 4 (2 Mbytes)
Area 5 (2 Mbytes)
Area 6 (2 Mbytes)
Area 7 (2 Mbytes)
(a) 1-Mbyte modes (modes 1, and 2)
(b) 16-Mbyte modes (modes 3, 4, and 5)
Figure 6.2 Access Area Map for Each Operating Mode
Chip select signals (
CS
0 to CS7) can be output for areas 0 to 7. The bus specifications for each
area are selected in ABWCR, ASTCR, WCRH, and WCRL.
In 16-Mbyte mode, the area division units can be selected with the RDEA bit in BCR.



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