MB89656AR FUJITSU [Fujitsu Component Limited.], MB89656AR Datasheet - Page 17

• Manufacturer Part Number: MB89656AR
• Description: 8-bit Proprietary Microcontroller
• Manufacturer: FUJITSU [Fujitsu Component Limited.]

7. Setting OTPROM Options
Notes :
0000
0001
0002
0003
0004
0005
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
H
H
H
H
H
H
Vacancy
Readable
and
writable
P07
Pull-up
1: No
0: Yes
P37
Pull-up
1: No
0: Yes
P67
Pull-up
1: No
0: Yes
P47 to P44
Pull-up
1: No
0: Yes
Vacancy
Readable
and
writable
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.
Bit 7
Vacancy
Readable
and
writable
P06
Pull-up
1: No
0: Yes
P36
Pull-up
1: No
0: Yes
P66
Pull-up
1: No
0: Yes
P43 to P40
Pull-up
1: No
0: Yes
Vacancy
Readable
and
writable
Bit 6
Vacancy
Readable
and
writable
P05
Pull-up
1: No
0: Yes
P35
Pull-up
1: No
0: Yes
P65
Pull-up
1: No
0: Yes
P26
Pull-up
1: No
0: Yes
Vacancy
Readable
and
writable
Bit 5
Vacancy
Readable
and
writable
P04
Pull-up
1: No
0: Yes
P34
Pull-up
1: No
0: Yes
P64
Pull-up
1: No
0: Yes
P25
Pull-up
1: No
0: Yes
P17 to P14
Pull-up
1: No
0: Yes
Bit 4
Vacancy
Readable
and
writable
P03
Pull-up
1: No
0: Yes
P33
Pull-up
1: No
0: Yes
P63
Pull-up
1: No
0: Yes
P24
Pull-up
1: No
0: Yes
P13
Pull-up
1: No
0: Yes
Bit 3
MB89650AR Series
P81
Pull-up
1: No
0: Yes
P02
Pull-up
1: No
0: Yes
P32
Pull-up
1: No
0: Yes
P62
Pull-up
1: No
0: Yes
P22
Pull-up
1: No
0: Yes
P12
Pull-up
1: No
0: Yes
Bit 2
P80
Pull-up
1: No
0: Yes
P01
Pull-up
1: No
0: Yes
P31
Pull-up
1: No
0: Yes
P61
Pull-up
1: No
0: Yes
P21
Pull-up
1: No
0: Yes
P11
Pull-up
1: No
0: Yes
Bit 1
Single/dual-
clock system
1: Dual
clock
2: Single
clock
P00
Pull-up
1: No
0: Yes
P30
Pull-up
1: No
0: Yes
P60
Pull-up
1: No
0: Yes
P20
Pull-up
1: No
0: Yes
P10
Pull-up
1: No
0: Yes
Bit 0
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