MB89626 데이터 시트보기 (PDF) - Fujitsu

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MB89626

(MB89660 Series) 8-bit Proprietary Microcontroller

Fujitsu 

MB89620 Series

4. Setting OTPROM Options

The programming procedure is the same as that for the PROM. Options can be set by programming values at

the addresses shown on the memory map.

The relationship between bits and options is shown on the following bit map:

• OTPROM option bit map (MB89P625)

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Vacancy

Vacancy

Vacancy

Vacancy

Vacancy

Reset pin

3FF0H

Readable and

writable

Readable and

writable

Readable and

writable

Readable and

writable

Readable and

writable

output

1: Yes

0: No

P07

3FF1H

Pull-up

1: No

0: Yes

P06

Pull-up

1: No

0: Yes

P05

Pull-up

1: No

0: Yes

P04

Pull-up

1: No

0: Yes

P03

Pull-up

1: No

0: Yes

P02

Pull-up

1: No

0: Yes

P17

3FF2H

Pull-up

1: No

0: Yes

P16

Pull-up

1: No

0: Yes

P15

Pull-up

1: No

0: Yes

P14

Pull-up

1: No

0: Yes

P13

Pull-up

1: No

0: Yes

P12

Pull-up

1: No

0: Yes

P37

3FF3H

Pull-up

1: No

0: Yes

P36

Pull-up

1: No

0: Yes

P35

Pull-up

1: No

0: Yes

P34

Pull-up

1: No

0: Yes

P33

Pull-up

1: No

0: Yes

P32

Pull-up

1: No

0: Yes

P57

3FF4H

Pull-up

1: No

0: Yes

P56

Pull-up

1: No

0: Yes

P55

Pull-up

1: No

0: Yes

P54

Pull-up

1: No

0: Yes

P53

Pull-up

1: No

0: Yes

P52

Pull-up

1: No

0: Yes

Vacancy

3FF5H Readable and

writable

Vacancy

Readable and

writable

Vacancy

Readable and

writable

P64

Pull-up

1: No

0: Yes

P63

Pull-up

1: No

0: Yes

P62

Pull-up

1: No

0: Yes

Bit 1

Bit 0

Oscillation

stabilizationti

me

1: Crystal

0: Ceramic

Power-on

reset

1: Yes

0: No

P01

Pull-up

1: No

0: Yes

P00

Pull-up

1: No

0: Yes

P11

Pull-up

1: No

0: Yes

P10

Pull-up

1: No

0: Yes

P31

Pull-up

1: No

0: Yes

P30

Pull-up

1: No

0: Yes

P51

Pull-up

1: No

0: Yes

P50

Pull-up

1: No

0: Yes

P61

Pull-up

1: No

0: Yes

P60

Pull-up

1: No

0: Yes

Notes: • Set each bit to 1 to erase.

• Do not write 0 to the vacant bit.

The read value of the vacant bit is 1, unless 0 is written to it.

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