Data Memory Addressing ( Pd78P054) - NEC PD78052 User Manual

FFFFH
Special Function
Registers (SFRs)
256
FF20H
FF1FH
FF00H
FEFFH
General Registers
32 8 bits
FEE0H
FEDFH
Internal High-speed RAM
1024
FE20H
FE1FH
FB00H
FAFFH
Reserved
FAE0H
FADFH
Internal Buffer RAM
32 8 bits
FAC0H
FABFH
Reserved
FA80H
FA7FH
External Memory
31360
8000H
7FFFH
Internal PROM
32768
0000H
104
CHAPTER 5 CPU ARCHITECTURE
Figure 5-12. Data Memory Addressing ( PD78P054)
SFR Addressing
8 bits
Register Addressing
8 bits
8 bits
8 bits
Short Direct
Addressing
Direct Addressing
Register Indirect
Addressing
Based Addressing
Based Indexed
Addressing