CHAPTER 3 CPU ARCHITECTURE
Figure 3-6. Data Memory Addressing Modes (µPD78F9189)
FFFFH
FF20H
FF1FH
FF00H
FEFFH
Special function registers (SFR)
256 × 8 bits
SFR addressing
FE20H
FE1FH
FD00H
FCFFH
Internal high-speed RAM
512 × 8 bits
Short direct addressing
Direct addressing
Register indirect addressing
Based addressing
Reserved
6000H
5FFFH
0000H
Internal flash memory
24,576 × 8 bits
34
User’s Manual 2nd edition