MB89174LPF datasheet(16/50 Pages) FUJITSU

16 / 50 page

MB89170/170A/170L Series

7. Setting OTPROM Options (MB89P175A Only)

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

Note: Each bit is set to ‘1’ as the initialized value, therefore the pull-up option is selected.

Addre

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

3FF0H

Vacancy

Readable

and writable

Vacancy

Readable

and writable

Vacancy

Readable

and writable

Clock mode

select

1: 1 clock

0: 2 clocks

Reset pin

output

1: Yes

0: No

Power-on

reset

1: Yes

0: No

Oscillation stabilization time

00 23/FCH

10 216/FCH

01 212/FCH

11 218/FCH

3FF1H

P07

Pull-up

1: Yes

0: No

P06

Pull-up

1: Yes

0: No

P05

Pull-up

1: Yes

0: No

P04

Pull-up

1: Yes

0: No

P03

Pull-up

1: Yes

0: No

P02

Pull-up

1: Yes

0: No

P01

Pull-up

1: Yes

0: No

P00

Pull-up

1: Yes

0: No

3FF2H

P17

Pull-up

1: Yes

0: No

P16

Pull-up

1: Yes

0: No

P15

Pull-up

1: Yes

0: No

P14

Pull-up

1: Yes

0: No

P13

Pull-up

1: Yes

0: No

P12

Pull-up

1: Yes

0: No

P11

Pull-up

1: Yes

0: No

P10

Pull-up

1: Yes

0: No

3FF3H

P37

Pull-up

1: Yes

0: No

P36

Pull-up

1: Yes

0: No

P35

Pull-up

1: Yes

0: No

P34

Pull-up

1: Yes

0: No

P33

Pull-up

1: Yes

0: No

P32

Pull-up

1: Yes

0: No

P31

Pull-up

1: Yes

0: No

P30

Pull-up

1: Yes

0: No

3FF4H

Vacancy

Readable

and writable

Vacancy

Readable

and writable

Vacancy

Readable

and writable

Vacancy

Readable

and writable

Vacancy

Readable

and writable

Vacancy

Readable

and writable

Vacancy

Readable

and writable

Vacancy

Readable

and writable

3FF5H

Vacancy

Readable

and writable

Vacancy

Readable

and writable

Vacancy

Readable

and writable

Vacancy

Readable

and writable

Vacancy

Readable

and writable

Vacancy

Readable

and writable

Vacancy

Readable

and writable

Vacancy

Readable

and writable

3FF6H

Vacancy

Readable

and writable

Vacancy

Readable

and writable

Vacancy

Readable

and writable

Vacancy

Readable

and writable

Vacancy

Readable

and writable

Vacancy

Readable

and writable

Vacancy

Readable

and writable

Vacancy

Readable

and writable

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