HD6412350 Hitachi, HD6412350 Datasheet - Page 161

• Manufacturer Part Number: HD6412350
• Description: (HD6412350 / HD6432351) 16-BIT MICROCONTROLLER
• Manufacturer: Hitachi

6.3
6.3.1
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.
Overview of Bus Control
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
Figure 6-2 Overview of Area Partitioning
(1) Advanced mode
(2Mbytes)
(2Mbytes)
(2Mbytes)
(2Mbytes)
(2Mbytes)
(2Mbytes)
(2Mbytes)
(2Mbytes)
Area 0
Area 1
Area 2
Area 3
Area 4
Area 5
Area 6
Area 7
H'0000
H'FFFF
(2) Normal mode
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