CHAPTER 3 CPU FUNCTION
72
User’s Manual U14492EJ3V0UD
3.4.4
Memory map
The V850E/IA1 reserves areas as shown below. Each mode is specified by the MODE0 to MODE2 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
On-chip peripheral
I/O area
Internal RAM area
Access prohibited
Note
External memory
area
Internal ROM area
External memory
area
Internal ROM area
External memory
area
Single-chip mode 0
Single-chip mode 1
ROMless mode 0, 1
256 MB
1 MB
1 MB
4 KB
xFFFF000H
xFFFEFFFH
xFFFE800H
xFFFE7FFH
x0200000H
x01FFFFFH
x0100000H
x00FFFFFH
x0000000H
xFFFC000H
xFFFBFFFH
10 KB
Note
By setting the PMCDH, PMCDL, PMCCS, PMCCT, and PMCCM registers to control mode, this area
can be used as external memory area.
Содержание V850E/IA1 mPD703116
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