Data Memory
Space
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Program
Memory
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CHAPTER 5 CPU ARCHITECTURE
Figure 5-2. Memory Map ( µ PD78012B, 78012BY)
FFFFH
Special Function
Registers (SFR)
256 × 8 bits
F F 0 0 H
General Registers
FEFFH
32 × 8 bits
FEE0H
FEDFH
Internal High-Speed RAM
512 × 8 bits
FD00H
FCFFH
Use Prohibited
FAE0H
FADFH
Buffer RAM
32 × 8 bits
FAC0H
FABFH
Use Prohibited
FA80H
FA7FH
External Memory
47744 × 8 bits
4 0 0 0 H
3FFFH
Internal ROM
16384 × 8 bits
0 0 0 0 H
3FFFH
Program Area
1000H
0FFFH
CALLF Entry Area
0800H
07FFH
Program Area
0080H
007FH
CALLT Table Area
0040H
003FH
Vector Table Area
0000H