MB89680 데이터 시트보기 (PDF) - Fujitsu

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MB89680

8-bit Proprietary Microcontroller

Fujitsu 

MB89680 Series

s CPU CORE

1. Memory Space

The microcontrollers of the MB89680 series offer 64 Kbytes of memory 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 of I/O area, 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 MB89680 series is structured as illustrated below.

• Memory space

MB89689

0000H

I/O

007FH

0080H

MB89P689

0 0 0 0 H MB89W689

MB89PV680

0000H

I/O

007FH

0080H

I/O

007FH

0080H

00FFH

0100H

Register

00FFH

0100H

Register

00FFH

0100H

Register

01FFH

0200H

RAM

2.0 KB

01FFH

0200H

RAM

2.0 KB

01FFH

0200H

RAM

2.0 KB

087FH

0880H

0FFFH

1000H

Vacancy

ROM

60 KB

087FH

0880H

0FFFH

1000H

Vacancy

ROM

60 KB

087FH

0880H

0FFFH

1000H

Vacancy

External ROM

60 KB

FFFFH

FFFFH

FFFFH

16

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