NEC 78014Y Series, User Manual

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CHAPTER 19 EXTERNAL DEVICE EXPANSION FUNCTION
475
Figure 19-1. Memory Map when Using External Device Expansion Function (2/2)
(a)
µ
PD78013, 78013Y Memory Map (b)
µ
PD78014, 78014Y, 78P014,
78P014Y Memory Map
SFR
Internal High-speed RAM
Reserved
Buffer RAM
Reserved
Full-address mode
(when MM2 to MM0 = 111)
16 Kbytes expansion mode
(when MM2 to MM0 = 101)
4 Kbytes expansion mode
(when MM2 to MM0 = 100)
256 bytes expansion mode
(when MM2 to MM0 = 011)
Single-chip mode
SFR
Internal High-speed RAM
Reserved
Buffer RAM
Reserved
Full-address mode
(when MM2 to MM0 = 111)
16 Kbytes expansion mode
(when MM2 to MM0 = 101)
4 Kbytes expansion mode
(when MM2 to MM0 = 100)
256 bytes expansion mode
(when MM2 to MM0 = 011)
Single-chip mode
F F F F H
F F 0 0 H
F E F F H
F B 0 0 H
F A F F H
F A E 0 H
FADFH
F A C 0 H
F A B F H
F A 8 0 H
F A 7 F H
A 0 0 0 H
9 F F F H
7 0 0 0 H
6 F F F H
6 1 0 0 H
6 0 F F H
6 0 0 0 H
5 F F F H
F F F F H
F F 0 0 H
F E F F H
F B 0 0 H
F A F F H
F A E 0 H
FADFH
F A C 0 H
F A B F H
F A 8 0 H
F A 7 F H
C 0 0 0 H
B F F F H
9 0 0 0 H
8 F F F H
8 1 0 0 H
8 0 F F H
8 0 0 0 H
7 F F F H
0 0 0 0 H
0 0 0 0 H