CHAPTER 3 CPU ARCHITECTURE
User’s Manual U16898EJ3V0UD
31
Figure 3-4. Data Memory Addressing (
µ
PD78F9222)
Special function registers (SFR)
256
×
8 bits
Internal high-speed RAM
256
×
8 bits
Flash memory
4,096
×
8 bits
Use prohibited
Direct addressing
Register indirect addressing
Based addressing
SFR addressing
Short direct addressing
F F F F H
F F 0 0 H
F E F F H
F F 2 0 H
F E 1 F H
F E 0 0 H
F D F F H
F E 2 0 H
F E 1 F H
1 0 0 0 H
0 F F F H
0 0 0 0 H