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HD6432351 датащи(PDF) 176 Page - Renesas Technology Corp

номер детали HD6432351
подробное описание детали  16-Bit Single-Chip Microcomputer
PDF  1025 Pages
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производитель  RENESAS [Renesas Technology Corp]
домашняя страница  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD6432351 датащи(HTML) 176 Page - Renesas Technology Corp

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Section 6 Bus Controller
Rev. 3.00 Sep 15, 2006 page 142 of 988
REJ09B0330-0300
6.3
Overview of Bus Control
6.3.1
Area Partitioning
In advanced mode, the bus controller partitions the 16 Mbytes address space into eight areas, 0 to
7, in 2-Mbyte units, and performs bus control for external space in area units. In normal mode, it
controls a 64-kbyte address space comprising part of area 0. Figure 6.2 shows an outline of the
memory map.
Chip select signals (
CS0 to CS7) can be output for each area.
Area 0
(2 Mbytes)
H'000000
H'FFFFFF
H'0000
H'1FFFFF
H'200000
Area 1
(2 Mbytes)
H'3FFFFF
H'400000
Area 2
(2 Mbytes)
H'5FFFFF
H'600000
Area 3
(2 Mbytes)
H'7FFFFF
H'800000
Area 4
(2 Mbytes)
H'9FFFFF
H'A00000
Area 5
(2 Mbytes)
H'BFFFFF
H'C00000
Area 6
(2 Mbytes)
H'DFFFFF
H'E00000
Area 7
(2 Mbytes)
H'FFFF
(1) Advanced mode
(2) Normal mode
Figure 6.2 Overview of Area Partitioning



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