Figure Dc Screening Procedure - Fujitsu F2MC-8L MB89620 Series Hardware Manual

l MB89P629
Table Dd OTPROM Option Bit Map (MB89P629)
Vacancy
0000
H
Readable and
writable
P07
Pull-up
0001
H
1: No
0: Yes
P17
Pull-up
0002
H
1: No
0: Yes
P37
Pull-up
0003
H
1: No
0: Yes
P57
Pull-up
0004
H
1: No
0: Yes
Vacancy
0005
H
Readable and
writable
Vacancy
0006
H
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.
•
Always write "0" to the reserved bit.
n Recommended Screening Conditions
High-temperature aging is recommended as the pre-assembly screening procedure for a
product with a blanked OTPROM microcomputer program.
Figure Db shows the screening procedure.
MB89620 series
7 6 5
Vacancy Vacancy
Readable and Readable and
writable writable
P06 P05
Pull-up Pull-up
1: No 1: No
0: Yes 0: Yes
P16 P15
Pull-up Pull-up
1: No 1: No
0: Yes 0: Yes
P36 P35
Pull-up Pull-up
1: No 1: No
0: Yes 0: Yes
P56 P55
Pull-up Pull-up
1: No 1: No
0: Yes 0: Yes
Vacancy Vacancy
Readable and Readable and
writable writable
Vacancy Vacancy
Readable and Readable and
writable writable

Figure Dc Screening Procedure

4 3
Oscillation Reset pin
stabilization delay time output
1: Crystal 1: Yes
0: Ceramic 0: No
P04 P03
Pull-up Pull-up
1: No 1: No
0: Yes 0: Yes
P14 P13
Pull-up Pull-up
1: No 1: No
0: Yes 0: Yes
P34 P33
Pull-up Pull-up
1: No 1: No
0: Yes 0: Yes
P54 P53
Pull-up Pull-up
1: No 1: No
0: Yes 0: Yes
P64 P63
Pull-up Pull-up
1: No 1: No
0: Yes 0: Yes
Vacancy Vacancy
Readable and Readable and
writable writable
Program, verify
Aging
+ 150°C, 48 Hrs.
Data verification
Assembly
2 1
Power-on
Vacancy Vacancy
reset
1: Yes
Readable and Readable and
0: No writable writable
P02 P01 P00
Pull-up Pull-up Pull-up
1: No 1: No 1: No
0: Yes 0: Yes 0: Yes
P12 P11 P10
Pull-up Pull-up Pull-up
1: No 1: No 1: No
0: Yes 0: Yes 0: Yes
P32 P31 P30
Pull-up Pull-up Pull-up
1: No 1: No 1: No
0: Yes 0: Yes 0: Yes
P52 P51 P50
Pull-up Pull-up Pull-up
1: No 1: No 1: No
0: Yes 0: Yes 0: Yes
P62 P61 P60
Pull-up Pull-up Pull-up
1: No 1: No 1: No
0: Yes 0: Yes 0: Yes
Vacancy Vacancy Reserved bit
Readable and Readable and Readable and
writable writable writable
APPENDIX
0
APPEND
293