User’s Manual U18172EJ2V0UD
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CHAPTER 3 CPU ARCHITECTURE
3.1 Memory
Space
The 78K0S/KU1+ can access up to 64 KB of memory space. Figures 3-1 to 3-3 show the memory maps.
Figure 3-1. Memory Map (
µ
PD78F9200)
Special function registers
(SFR)
256
×
8 bits
Internal high-speed RAM
128
×
8 bits
Flash memory
1,024
×
8 bits
Use prohibited
Program memory
space
Data memory
space
F F F F H
F F 0 0 H
F E F F H
F E 8 0 H
F E 7 F H
0 4 0 0 H
0 3 F F H
0 0 0 0 H
Program area
Option byte area
Program area
CALLT table area
Vector table area
0 3 F F H
0 0 4 0 H
0 0 3 F H
0 0 1 4 H
0 0 1 3 H
0 0 0 0 H
Protect byte area
0 0 8 2 H
0 0 8 1 H
0 0 8 0 H
0 0 7 F H
Remark
The option byte and protect byte are 1 byte each.