Memory Space; Figure 2.1.1A Sample Relationship Between F2Mc-16Lx System And Memory Map - Fujitsu F2MC-16LX MB90580 Series Hardware Manual

2.1 CPU

2.1.1 Memory space

Outline of CPU memory space
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An F MC-16LX CPU has a 16-Mbyte memory space. All data program input and output managed by the
2
F MC-16LX CPU are located in this 16-Mbyte memory space. The CPU accesses the resources by
indicating their addresses using a 24-bit address bus. (See Figure 2.1.1a.).
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F MC-16LX
CPU
[Device]
Figure 2.1.1a Sample relationship between F
16 Chapter 2: CPU
Program
Data
Interrupt
Peripheral
circuits
General-
purpose ports
FFFFFF
H Program area
FF8000
H
810000
H
800000
H
0000C0
H
Interrupt controller
0000B0
H
Peripheral circuits
000020
H
General-purpose ports
000000
H
2
MC-16LX system and memory map
Data area
MB90580 Series