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CHAPTER 3 CPU FUNCTION
69
User’s Manual U14492EJ3V0UD
3.4
Address Space
3.4.1
CPU address space
The CPU of the V850E/IA1 is of 32-bit architecture and supports up to 4 GB of linear address space (data space)
during operand addressing (data access). Also, in instruction address addressing, a maximum of 64 MB of linear
address space (program space) is supported.
Figure 3-1 shows the CPU address space.
Figure 3-1. CPU Address Space
FFFFFFFFH
04000000H
03FFFFFFH
00000000H
Data area
(4 GB linear)
Program area
(64 MB linear)
CPU address space