NEC PD78078 用户手册
101
0000H
Data memory
space
space
General Registers
32 x 8 bits
Internal ROM
49152 x 8 bits
BFFFH
1000H
0FFFH
0FFFH
0800H
07FFH
07FFH
0080H
007FH
007FH
0040H
003FH
003FH
0000H
CALLF Entry Area
CALLT Table Area
Vector Table Area
Program Area
Program Area
Internal Buffer RAM
32 x 8 bits
External Memory
13312 x 8 bits
Reserved
Program
memory
space
memory
space
C000H
BFFFH
BFFFH
F800H
F7FFH
F7FFH
FAC0H
FABFH
FABFH
FAE0H
FADFH
FADFH
FEE0H
FEDFH
FEDFH
FF00H
FEFFH
FEFFH
FFFFH
Internal High-speed RAM
1024 x 8 bits
Special Function
Registers (SFRs)
256 x 8 bits
Internal
Expansion RAM
1024 x 8 bits
F400H
F3FFH
F3FFH
Reserved
FB00H
FAFFH
FAFFH
CHAPTER 5 CPU ARCHITECTURE
5.1 Memory Spaces
The
µ
PD78078 and 78078Y Subseries allow access to a memory space of 64 Kbytes. Figures 5-1 to 5-3 shows
memory maps.
Figure 5-1. Memory Map (
µ
PD78076, 78076Y)