NEC PD78052 User Manual page 513

CHAPTER 22 EXTERNAL DEVICE EXPANSION FUNCTION
Figure 22-1. Memory Map when Using External Device Expansion Function (2/4)
(c) Memory map of PD78P054, 78P058,
78P058Y when the PD78054, 78054Y
and internal PROM are 32 Kbytes
FFFFH
FF00H
FEFFH
Internal High-Speed RAM
FB00H
FAFFH
Reserved
FAE0H
FADFH
Internal Buffer RAM
FAC0H
FABFH
Reserved
FA80H
FA7FH
Full-Address Mode
(when MM2-MM0=111)
C000H
BFFFH
16-Kbyte Expansion Mode
(when MM2-MM0=101)
9000H
8FFFH
4-Kbyte Expansion Mode
(when MM2-MM0=100)
8100H
80FFH
256-byte Expansion Mode
(when MM2-MM0=011)
8000H
7FFFH
Single-chip Mode
0000H
SFR
(d) Memory map of PD78P058, 78P058Y
when the PD78055, 78055Y and
internal PROM are 40 Kbytes
FFFFH
SFR
FF00H
FEFFH
Internal High-Speed RAM
FB00H
FAFFH
Reserved
FAE0H
FADFH
Internal Buffer RAM
FAC0H
FABFH
Reserved
FA80H
FA7FH
Full-Address Mode
(when MM2-MM0=111)
E000H
DFFFH
16-Kbyte Expansion Mode
(when MM2-MM0=101)
B000H
AFFFH
4-Kbyte Expansion Mode
(when MM2-MM0=100)
A100H
A0FFH
256-byte Expansion Mode
A000H
(when MM2-MM0=011)
9FFFH
Single-chip Mode
0000H
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