MB89P677APFM View Datasheet(PDF) - Fujitsu

Part Name

Description

Manufacturer

MB89P677APFM

8-bit Proprietary Microcontroller

Fujitsu

MB89P677APFM Datasheet PDF : 59 Pages

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MB89670/A Series

7. PROM Option Bit Map

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:

Bit 7

Vacancy

0000H Readable

P17

Pull-up

0001H 1: No

0: Yes

P37

Pull-up

0002H 1: No

0: Yes

P47

Pull-up

0003H 1: No

0: Yes

Vacancy

0004H Readable

Bit 6

Vacancy

Readable

P16

Pull-up

1: No

0: Yes

P36

Pull-up

1: No

0: Yes

P46

Pull-up

1: No

0: Yes

Vacancy

Readable

Bit 5

Vacancy

Readable

P15

Pull-up

1: No

0: Yes

P35

Pull-up

1: No

0: Yes

P45

Pull-up

1: No

0: Yes

Vacancy

Readable

Bit 4

Vacancy

Readable

P14

Pull-up

1: No

0: Yes

P34

Pull-up

1: No

0: Yes

P44

Pull-up

1: No

0: Yes

Vacancy

Readable

Bit 3

Reset pin

output

1: Yes

0: No

P13

Pull-up

1: No

0: Yes

P33

Pull-up

1: No

0: Yes

P43

Pull-up

1: No

0: Yes

Vacancy

Readable

Bit 2

Power-on

reset

1: Yes

0: No

P12

Pull-up

1: No

0: Yes

P32

Pull-up

1: No

0: Yes

P42

Pull-up

1: No

0: Yes

Vacancy

Readable

Bit 1

Bit 0

Oscillation stabilization time

00: 24/FC

10: 217/FC

01: 214/FC

11: 218/FC

P11

Pull-up

1: No

0: Yes

P31

Pull-up

1: No

0: Yes

P41

Pull-up

1: No

0: Yes

Vacancy

P10

Pull-up

1: No

0: Yes

P30

Pull-up

1: No

0: Yes

P40

Pull-up

1: No

0: Yes

Vacancy

Readable Readable

Vacancy

0005H Readable

Vacancy

0006H Readable

Vacancy

Readable

Vacancy

Readable

Vacancy

Readable

Vacancy

Readable

P74

Pull-up

1: No

0: Yes

Vacancy

Readable

P73

Pull-up

1: No

0: Yes

P72

Pull-up

1: No

0: Yes

P71

Pull-up

1: No

0: Yes

P04 to P07

Pull-up

1: No

0: Yes

P00 to P03

Pull-up

1: No

0: Yes

P76

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.

P70

Pull-up

1: No

0: Yes

P75

Pull-up

1: No

0: Yes

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