NEC 78K0 User Manual page 131

Figure 5-1. Memory Map When Using External Bus Interface (2/2)
µ
(c) Memory map of PD780146 and of
when internal ROM (flash memory) size is 48 KB
FFFFH
FF00H
FEFFH
Internal high-speed RAM
FB00H
FAFFH
Reserved
FA20H
FA1FH
Buffer RAM
FA00H
F9FFH
Reserved
F800H
F7FFH
Internal expansion RAM
F400H
F3FFH
Full-address mode
(when MM2 to MM0 = 111)
16 KB expansion mode
(when MM2 to MM0 = 101)
D000H
CFFFH
4 KB expansion mode
(when MM2 to MM0 = 100)
C100H
C0FFH
256-byte expansion mode
(when MM2 to MM0 = 011)
C000H
BFFFH
Single-chip mode
0000H
CHAPTER 5 EXTERNAL BUS INTERFACE
µ
PD78F0148
SFR
or
User's Manual U15947EJ2V0UD
µ
(d) Memory map of
when internal ROM (flash memory) size is 60 KB
FFFFH
FF00H
FEFFH
FB00H
FAFFH
FA20H
FA1FH
FA00H
F9FFH
F800H
F7FFH
F400H
F3FFH
*
F100H
F0FFH
F000H
EFFFH
0000H
µ
PD780148 and of PD78F0148
SFR
Internal high-speed RAM
Reserved
Buffer RAM
Reserved
Internal expansion RAM
Full-address mode
(when MM2 to MM0 = 111)
or
16 KB expansion mode
(when MM2 to MM0 = 101)
or
4 KB expansion mode
(when MM2 to MM0 = 100)
256-byte expansion mode
(when MM2 to MM0 = 011)
Single-chip mode
131