D78046H データシートの表示（PDF） - NEC => Renesas Technology

部品番号

コンポーネント説明

メーカー

D78046H

8-BIT SINGLE-CHIP MICROCOMPUTER / UPD78044H

NEC => Renesas Technology 

µPD78044H, 78045H, 78046H

4. MEMORY SPACE

Fig. 4-1 shows the memory map for µPD78044H, µPD78045H, and µPD78046H.

Fig. 4-1 Memory Map

FFFFH

FF00H

FEFFH

FEE0H

FEDFH

Special function

register (SFR)

256 × 8 bits

General-purpose register

32 × 8 bits

Internal high-speed RAM

1024 × 8 bits

Data

memory

space

FB00H

FAFFH

FA80H

FA7FH

FA50H

FA4FH

nnnnH+1

nnnnH

Program

memory

space

0000H

Inhibited

FIP display RAM

48 × 8 bits

Inhibited

Internal ROM Note

nnnnH

1000H

0FFFH

0800H

07FFH

0080H

007FH

0040H

003FH

0000H

Program area

CALLF entry area

Program area

CALLT table area

Vector table area

Note The internal ROM capacity varies depending on the product. (See the table below.)

Product name

µPD78044H

µPD78045H

µPD78046H

Last address of internal

ROM

nnnnH

7FFFH

9FFFH

BFFFH

15

Share Link: