CHAPTER 3 CPU FUNCTION
75
User’s Manual U14359EJ4V0UM
3.4.4
Memory map
The V850E/MA1 reserves areas as shown in Figures 3-3 and 3-4. The mode is specified by the MODE0 to
MODE2 pins.
Figure 3-3. Memory Map (
µµµµ
PD703103A, 703105A)
xFFFFFFFH
Internal peripheral
I/O area
Internal RAM area
Internal peripheral
I/O area
Internal RAM area
Internal 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
x0200000H
x01FFFFFH
x0100000H
x00FFFFFH
x0000000H
xFFFD000H
xFFFCFFFH
xFFFC000H
xFFFBFFFH
4 KB
Note
By setting the PMCAL, PMCAH, PMCDL, PMCCS, PMCCT, PMCCM, and PMCCD registers to control
mode, this area can be used as external memory area.
Remark
For the
µ
PD703103A, only ROMless modes 0 and 1 are supported as the operating mode.