HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 195

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

6.3
6.3.1
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.
Overview of Bus Control
Area Partitioning
Figure 6.2 Overview of Area Partitioning
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
Advanced mode
(2 Mbytes)
(2 Mbytes)
(2 Mbytes)
(2 Mbytes)
(2 Mbytes)
(2 Mbytes)
(2 Mbytes)
(2 Mbytes)
Area 0
Area 1
Area 2
Area 3
Area 4
Area 5
Area 6
Area 7
Rev.6.00 Sep. 27, 2007 Page 165 of 1268
Section 6 Bus Controller
REJ09B0220-0600