Manualsbrain.com
  1. Manuals
  2. Brands
  3. NEC
  4. PD78054(A)
  5. User Manual

NEC PD78054(A) User Manual

Download
Page of 603
513
CHAPTER 22   EXTERNAL DEVICE EXPANSION FUNCTION
Figure 22-1.  Memory Map when Using External Device Expansion Function (2/4)
(c)
Memory map of 
µ
PD78P054, 78P058,
(d) Memory map of 
µ
PD78P058, 78P058Y
78P058Y when the 
µ
PD78054, 78054Y
when the 
µ
PD78055, 78055Y and
and internal PROM are 32 Kbytes
internal PROM are 40 Kbytes
FFFFH
SFR
Internal High-Speed RAM
FF00H
FEFFH
FB00H
FAFFH
FAE0H
FADFH
FAC0H
FABFH
FA80H
FA7FH
C000H
BFFFH
0000H
Reserved
Internal Buffer RAM
Reserved
Full-Address Mode
(when MM2-MM0=111)
Single-chip Mode
16-Kbyte Expansion Mode
(when MM2-MM0=101)
9000H
8FFFH
8100H
80FFH
8000H
7FFFH
4-Kbyte Expansion Mode
(when MM2-MM0=100)
256-byte Expansion Mode
(when MM2-MM0=011)
FFFFH
SFR
Internal High-Speed RAM
FF00H
FEFFH
FB00H
FAFFH
FAE0H
FADFH
FAC0H
FABFH
FA80H
FA7FH
E000H
DFFFH
0000H
Reserved
Internal Buffer RAM
Reserved
Full-Address Mode
(when MM2-MM0=111)
Single-chip Mode
16-Kbyte Expansion Mode
(when MM2-MM0=101)
B000H
AFFFH
A100H
A0FFH
A000H
9FFFH
4-Kbyte Expansion Mode
(when MM2-MM0=100)
256-byte Expansion Mode
(when MM2-MM0=011)