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CHAPTER 5 CPU ARCHITECTURE5.1 Memory Spaces

64-Kbyte memory spaces can be accessed in the

µ

PD78058F, 78058FY Subseries.

Figures 5-1 to 5-3 show memory maps.

Figure 5-1. Memory Map (

µ

PD78056F, 78056FY)

0000H
Data memory
space
General Registers
32 × 8 bits
Internal ROM
49152 × 8 bits
BFFFH
1000H
0FFFH
0800H
07FFH
0080H
007FH
0040H
003FH
0000H
CALLF Entry Area
CALLT Table Area
Vector Table Area
Program Area
Program Area
Internal Buffer RAM
32 × 8 bits
External Memory
14976 × 8 bits
Reserved
Program
memory
space C000H
BFFFH
FA80H
FA7FH
FAC0H
FABFH
FAE0H
FADFH
FEE0H
FEDFH
FF00H
FEFFH
FFFFH
Internal High-speed RAM
1024 × 8 bits
Special Function
Registers (SFRs)
256 × 8 bits
Reserved
FB00H
FAFFH