NEC 78K0 User Manual page 52

Figure 3-9. Correspondence Between Data Memory and Addressing (
FFFFH
Special function
registers (SFRs)
FF20H
FF1FH
FF00H
FEFFH
General-purpose registers
32 × 8 bits
FEE0H
FEDFH
Internal high-speed RAM
1024 × 8 bits
FE20H
FE1FH
FB00H
FAFFH
8000H
7FFFH
Internal ROM
32768 × 8 bits
0000H
52
CHAPTER 3 CPU ARCHITECTURE
SFR addressing
256 × 8 bits
Register addressing
Reserved
User's Manual U16227EJ2V0UD
µ
PD780114)
Short direct
addressing
Direct addressing
Register indirect
addressing
Based addressing
Based indexed
addressing