D12320VF25IV Datasheet, PDF (197/1304 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

6.3 Overview of Bus Control
Section 6 Bus Controller
6.3.1 Area Partitioning
In advanced mode, the bus controller partitions the 16-Mbyte address space into eight areas, 0 to
7, in 2-Mbyte units, and performs bus control for external space in area units. Figure 6.2 shows an
outline of the memory map.
Chip select signals (CS0 to CS7) can be output for each area.
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)
Advanced mode
Figure 6.2 Overview of Area Partitioning
Rev.6.00 Sep. 27, 2007 Page 165 of 1268
REJ09B0220-0600