CHAPTER 3 CPU ARCHITECTURE
User’s Manual U16898EJ3V0UD
28
Figure 3-2. Memory Map (
µ
PD78F9222)
Special function registers
(SFR)
256
×
8 bits
Internal high-speed RAM
256
×
8 bits
Flash memory
4,096
×
8 bits
Program memory
space
Data memory
space
Program area
Option byte area
Program area
CALLT table area
Vector table area
Use prohibited
F F F F H
0 F F F H
0 0 0 0 H
0 0 8 0 H
0 0 7 F H
0 0 8 2 H
0 0 8 1 H
0 0 4 0 H
0 0 3 F H
0 0 2 2 H
0 0 2 1 H
F F 0 0 H
F E F F H
F E 0 0 H
F D F F H
1 0 0 0 H
0 F F F H
0 0 0 0 H
Protect byte area
Remark
The option byte and protect byte are 1 byte each.