Memory Map ( Pd78P058, Pd78P058Y) - NEC PD78052 User Manual

FFFFH
FF00H
FEFFH
FEE0H
FEDFH
FB00H
FAFFH
FAE0H
FADFH
FAC0H
Data memory
FABFH
space
F800H
F7FFH
F400H
F3FFH
F000H
EFFFH
Program
memory
space
0000H
Note When internal PROM size is 60K bytes, the area F000H to F3FFH cannot be used. F000H to F3FFH
can be used as external memory by setting the internal PROM size to less than 56K bytes by the
memory size switching register (IMS).
98
CHAPTER 5 CPU ARCHITECTURE
Figure 5-8. Memory Map ( PD78P058, PD78P058Y)
Special Function
Registers (SFRs)
256 8 bits
General Registers
32 8 bits
Internal High-speed RAM
1024 8 bits
Reserved
Internal Buffer RAM
32 8 bits
Reserved
Internal
Expansion RAM
1024 8 bits
Note
Reserved
Internal PROM
61440 8 bits
EFFFH
Program Area
1000H
0FFFH
CALLF Entry Area
0800H
07FFH
Program Area
0080H
007FH
CALLT Table Area
0040H
003FH
Vector Table Area
0000H