UPD178024GC datasheet(16/56 Pages) NEC

16 / 56 page

µPD178023, 178024

Data Sheet U14126EJ1V0DS00

2. MEMORY SPACE

Figure 2-1 shows the memory map of the

µPD178023, 178024.

Figure 2-1. Memory Map

Note

The internal ROM and internal high-speed RAM capacities differ depending on the model (refer to the

table below).

Target Model Name

Internal ROM End Address

Internal High-Speed RAM First Address

nnnnH

mmmmH

µPD178023

5FFFH

FB00H

µPD178024

7FFFH

FB00H

FFF F H

FF 0 0 H

FEF F H

FE E 0 H

FE D F H

mmm m H

nnn n H

000 0 H

003 F H

004 0 H

007 F H

008 0 H

07 F F H

080 0 H

0F F F H

100 0 H

nnn n H

− 1

+ 1

Cannot be used

Data memory

space

Program

memory space

Vector table area

CALLF entry area

Program area

CALLT table area

Program area

Special function registers

(SFR)

256

× 8 bits

General-purpose

registers

× 8 bits

Internal high-speed RAM

Note

Internal ROM

Note

UPD178024GC Datasheet(PDF) 16 Page - NEC

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