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CHAPTER 3 CPU ARCHITECTURE
Preliminary User’s Manual U14581EJ3V0UM00
Figure 3-5. Data Memory Addressing (
µ
PD780852(A))
0000H
General registers
32
×
8 bits
Internal ROM
40,960
×
8 bits
LCD display RAM
20
×
4 bits
A000H
9FFFH
FA59H
FA58H
FA6DH
FA6CH
FEE0H
FEDFH
FF00H
FEFFH
FFFFH
Internal high-speed RAM
1,024
×
8 bits
Reserved
FB00H
FAFFH
FF20H
FF1FH
FE20H
FE1FH
Special function
registers (SFRs)
256
×
8 bits
SFR addressing
Register addressing
Short direct
addressing
Direct addressing
Register indirect
addressing
Based addressing
Based indexed
addressing
F800H
F7FFH
Reserved
F600H
F5FFH
Reserved
Internal expansion RAM
512
×
8 bits
Содержание mPD780852 Series
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