
CHAPTER 5 BUS CONTROL FUNCTION
User’s Manual U15905EJ2V1UD
179
5.3
Memory Block Function
The 64 MB memory space is divided into memory blocks of (lower) 2 MB, 2MB, 4MB, and 8MB.
The
programmable wait function and bus cycle operation mode for each of these blocks can be independently controlled in
one-block units.
Figure 5-1. Data Memory Map
(80 KB)
Use prohibited
External memory areaNote 1
(8 MB)
Internal ROM areaNote 2
(1 MB)
External memory area
(1 MB)
Internal RAM area
(16 KB)
Internal peripheral
I/O area (4 KB)
Use prohibited
External memory area
(4 MB)
External memory area
(2 MB)
CS0
CS1
CS2
CS3
3FFFFFFH
3FEC000H
3FEBFFFH
1000000H
0FFFFFFH
0800000H
07FFFFFH
0400000H
03FFFFFH
0200000H
01FFFFFH
0000000H
3FFFFFFH
3FFF000H
3FFEFFFH
3FFB000H
3FFAFFFH
3FEC000H
01FFFFFH
0100000H
00FFFFFH
0000000H
Notes 1. This area is the 4 MB space of 0800000H to 0BFFFFFH in the V850ES/SA2 (0C00000H to
0FFFFFFH are the image of 0800000H to 0BFFFFFH).
2. This area is an external memory area in the case of a data write access.