CHAPTER 3 CPU ARCHITECTURE
58
User’s Manual U11302EJ4V0UM
Figure 3-9. Data Memory Addressing (
µ
PD780208)
Special-function registers (SFRs)
256 x 8 bits
General-purpose registers
32 x 8 bits
Internal high-speed RAM
1024 x 8 bits
Buffer RAM
64 x 8 bits
Reserved
VFD display RAM
80 x 8 bits
Reserved
Internal expansion RAM
1024 x 8 bits
Reserved
Internal ROM
61440 x 8 bits
SFR addressing
Register addressing
Short direct
addressing
Direct addressing
Register indirect addressing
Based addressing
Based indexed addressing
FFFFH
FF20H
FF1FH
FF00H
FEFFH
FEE0H
FEDFH
FE20H
FE1FH
FB00H
FAFFH
FAC0H
FABFH
FA80H
FA7FH
FA30H
FA2FH
F800H
F7FFH
F400H
F3FFH
F000H
EFFFH
0000H
Содержание mPD780208 Subseries
Страница 2: ...2 User s Manual U11302EJ4V0UM MEMO...