MB89P677APFM 查看數據表（PDF） - Fujitsu

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MB89P677APFM

8-bit Proprietary Microcontroller

Fujitsu 

MB89670/A Series

s CPU CORE

1. Memory Space

The microcontrollers of the MB89670/A series offer a memory space of 64 Kbytes for storing all of I/O, data,

and program areas. The I/O area is located at the lowest address. The data area is provided immediately above

the I/O area. The data area can be divided into register, stack, and direct areas according to the application.

The program area is located at exactly the opposite end, that is, near the highest address. Provide the tables

of interrupt reset vectors and vector call instructions toward the highest address within the program area. The

memory space of the MB89670/A series is structured as illustrated below.

Memory Space

MB89673

0000H

0080H

0100H

0200H

I/O

RAM

Register

MB89P677A

MB89677A

0000H

0080H

0100H

0200H

I/O

RAM

Register

MB89PV670A

0000H

0080H

0100H

0200H

I/O

RAM

Register

External area

0480H

External area

0480H

4000H

External area

8000H

*

8007H

8000H

8000H

Option PROM (One-time

*

PROM product)*

8007H

8007H

E000H

ROM

Programmable

ROM

Programmable

ROM

FFFFH

FFFFH

FFFFH

*: Since addresses 8000H to 8006H for the MB89P677A comprise an option

area, do not use this area for the other products in this series.

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