CHAPTER 3 CPU ARCHITECTURE
User’s Manual U16899EJ2V0UD
59
Figure 3-12. Correspondence Between Data Memory and Addressing (
µ
PD78F0138HD)
FFFFH
FF20H
FF1FH
0 0 0 0 H
FF00H
FEFFH
FEE0H
FEDFH
F000H
EFFFH
F 8 0 0 H
F7FFH
F 4 0 0 H
F3FFH
Special function registers (SFR)
256
×
8 bits
Short direct
addressing
SFR addressing
Internal high-speed RAM
1024
×
8 bits
General-purpose registers
32
×
8 bits
Reserved
Flash memory
61440
×
8 bits
Register addressing
Direct addressing
Register indirect addressing
Based addressing
Based indexed addressing
Reserved
Internal expansion RAM
1024
×
8 bits
FB00H
FAFFH
Note 1
Note 2
Notes 1. During on-chip debugging, 9 bytes of this area are used as the user data backup area for
communication.
2. During on-chip debugging, use of this area is disabled because it is used as the communication
command area (0084H to 018FH: debugger’s default setting).
Содержание MuPD78F0132H
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