CHAPTER 3 CPU FUNCTION
60
User’s Manual U15195EJ5V0UD
3.4.4 Memory
map
The V850E/IA2 reserves areas as shown in Figure 3-3. Each mode is specified by the MODE0 and MODE1 pins.
Figure 3-3. Memory Map
xFFFFFFFH
On-chip peripheral
I/O area
Internal RAM area
On-chip peripheral
I/O area
Internal RAM area
Access prohibited
Note
Internal ROM area
External memory
area of V850E/IA2
Single-chip mode
ROMless mode
256 MB
1 MB
1 MB
4 KB
xFFFF000H
xFFFEFFFH
x0200000H
x01FFFFFH
x0100000H
x00FFFFFH
x0000000H
xFFFD800H
xFFFD7FFH
xFFFC000H
xFFFBFFFH
6 KB
4 MB
x0400000H
x03FFFFFH
Note
By setting the PMCDH, PMCDL, PMCCT, and PMCCM registers to control mode, this area can be used
as external memory area.
Содержание PD703114
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