upd78f0124hgba1-8et-a Renesas Electronics Corporation., upd78f0124hgba1-8et-a Datasheet - Page 49

• Manufacturer Part Number: upd78f0124hgba1-8et-a
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

<R>
<R>
Notes 1.
FFFFH
FF20H
FF1FH
FF00H
FEFFH
FEE0H
FEDFH
FB00H
FAFFH
8000H
7FFFH
0000H
2.
Figure 3-8. Correspondence Between Data Memory and Addressing ( PD78F0124HD)
During on-chip debugging, about 7 to 16 bytes of this area are used as the user data backup area for
communication.
During on-chip debugging, use of this area is disabled because it is used as the communication
command area (008FH to 018FH: debugger’s default setting).
General-purpose registers
Internal high-speed RAM
32
Special function
Flash memory
registers (SFRs)
32768
1024
256
Reserved
8 bits
Note 2
Note 1
8 bits
8 bits
8 bits
CHAPTER 3 CPU ARCHITECTURE
User’s Manual U16962EJ3V0UD
SFR addressing
Register addressing
Short direct
addressing
Direct addressing
Register indirect
addressing
Based addressing
Based indexed
addressing
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