NEC PD78058FY(A) - Manual (Page 506)

506
CHAPTER 22 EXTERNAL DEVICE EXPANSION FUNCTION
Memory maps when using the external device expansion function are as follows.
Figure 22-1. Memory Map When Using External Device Expansion Function (1/2)
(a) Memory Map of the
µ
PD78056F and 78056FY, and of the
µ
PD78P058F and 78P058FY when the internal PROM is 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 to MM0 = 111)
or
16-Kbyte Expansion Mode
(when MM2 to MM0 = 101)
4-Kbyte Expansion Mode
(when MM2 to MM0 = 100)
Single-chip Mode
256-byte Expansion Mode
(when MM2 to MM0 = 011)