UPD780078 Datasheet, PDF (71/592 Pages) NEC – 8-Bit Single-Chip Microcontrollers

CHAPTER 5 CPU ARCHITECTURE
Figure 5-6. Correspondence Between Data Memory and Addressing (µPD78F0078, 78F0078Y)
FFFFH
FF20H
FF1FH
FF00H
FEFFH
FEE0H
FEDFH
FE20H
FE1FH
FB00H
FAFFH
F800H
F7FFH
Special function
registers (SFRs)
256 × 8 bits
General-purpose registers
32 × 8 bits
Internal high-speed RAM
1024 × 8 bits
Reserved
F400H
F3FFH
Internal expansion RAM
1024 × 8 bits
External memory
1024 × 8 bits
SFR addressing
Register addressing
Short direct
addressing
Direct addressing
Register indirect
addressing
Based addressing
Based indexed
addressing
F000H
EFFFH
0000H
Flash memory
61440 × 8 bits
User’s Manual U14260EJ3V1UD
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