NEC uPD78056Y User Manual

Page 514

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514

CHAPTER 22 EXTERNAL DEVICE EXPANSION FUNCTION

Figure 22-1. Memory Map when Using External Device Expansion Function (3/4)

(e) Memory map of

µ

PD78P058, 78P058Y

when the

µ

PD78056, 78056Y and

internal PROM are 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-MM0=111)

or

16-Kbyte Expansion Mode

(when MM2-MM0=101)

4-Kbyte Expansion Mode

(when MM2-MM0=100)

Single-chip Mode

256-byte Expansion Mode

(when MM2-MM0=011)

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This manual is related to the following products:

PD78056Y, PD78055Y, PD78058, PD78052Y, PD78P058Y, PD78P054, PD78054Y, uPD78054Y, PD78056, PD78058Y, uPD78058Y, uPD78052, uPD78055Y, PD78053Y, uPD78052Y, uPD78054, uPD78P058, uPD78053, PD78052(A), uPD78053Y, uPD78056, PD78055, uPD78058, uPD78P054, PD78052, PD78053(A), PD78053, PD78054(A)

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