Memory Map - NEC V850E/IA1 mPD703116 User Manual

3.4.4

Memory map

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