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CHAPTER 22 EXTERNAL DEVICE EXPANSION FUNCTION
Figure 22-1. Memory Map when Using External Device Expansion Function (3/4)(e) Memory map of
µ
PD78P058, 78P058Ywhen the
µ
PD78056, 78056Y andinternal PROM are 48 Kbytes
FFFFH
SFR
Internal High-Speed RAM
FF00H
FEFFH
FB00H
FAFFH
FAE0H
FADFH
FAC0H
FABFH
FA80H
FA7FH
D000H
CFFFH
C100H
C0FFH
C000H
BFFFH
0000H
Reserved
Internal Buffer RAM
Reserved
Full-Address Mode
(when MM2-MM0=111)
or
16-Kbyte Expansion Mode
(when MM2-MM0=101)
4-Kbyte Expansion Mode
(when MM2-MM0=100)
Single-chip Mode
256-byte Expansion Mode
(when MM2-MM0=011)