MB89490 View Datasheet(PDF) - Fujitsu

Part Name

Description

Manufacturer

MB89490

8-bit Proprietary Microcontroller

Fujitsu 

MB89490 Series

(Continued)

Address

72H

73H

74H

75H

76H

77H

78H to 79H

7AH

7BH

7CH

7DH

7EH

7FH

Register name

Register description

PURC2

Port 2 pull up resistor control register

PURC3

Port 3 pull up resistor control register

PURC5

Port 5 pull up resistor control register

PURC6

Port 6 pull up resistor control register

PURC7

Port 7 pull up resistor control register

PURC8

Port 8 pull up resistor control register

(Reserved)

FMCS

Flash memory control status registger

ILR1

Interrupt level setting register 1

ILR2

Interrupt level setting register 2

ILR3

Interrupt level setting register 3

ILR4

Interrupt level setting register 4

(Reserved)

* Bit manipulation instruction cannot be used.

● Read/write access symbols

R/W : Readable and writable

R : Read-only

W : Write-only

● Initial value symbols

0: The initial value of this bit is “0”.

1: The initial value of this bit is “1”.

X: The initial value of this bit is undefined.

- : Unused bit.

M: The initial value of this bit is determined by mask option.

Read/Write

R/W

R/W

R/W

R/W

R/W

R/W

Initial value

11111111B

11111111B

---11111B

11111111B

11111111B

-----111B

R/W

W*

W*

W*

W*

000X00-0B

11111111B

11111111B

11111111B

11111111B

23

Share Link: