Figure 3-10. Data Memory Addressing ( µ PD78P0208)
FFFFH
Special-function registers (SFRs)
256 x 8 bits
FF20H
FF1FH
FF00H
FEFFH
General-purpose registers
32 x 8 bits
FEE0H
FEDFH
Internal high-speed RAM
1024 x 8 bits
FE20H
FE1FH
FB00H
FAFFH
Buffer RAM
64 x 8 bits
FAC0H
FABFH
Reserved
FA80H
FA7FH
VFD display RAM
80 x 8 bits
FA30H
FA2FH
Reserved
F800H
F7FFH
Internal expansion RAM
1024 x 8 bits
F400H
F3FFH
Reserved
F000H
EFFFH
Internal PROM
61440 x 8 bits
0000H
CHAPTER 3 CPU ARCHITECTURE
SFR addressing
Register addressing
User's Manual U11302EJ4V0UM
Short direct
addressing
Direct addressing
Register indirect addressing
Based addressing
Based indexed addressing
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