參數(shù)資料
型號: MB90672
廠商: Fujitsu Limited
英文描述: 16-Bit Proprietary Microcontroller(16位專用微控制器)
中文描述: 16位微控制器專利(16位專用微控制器)
文件頁數(shù): 21/111頁
文件大小: 736K
代理商: MB90672
21
MB90670/675 Series
Non-MBM27C1000 compatible pins
Power supply, GND connection pins
Note: P81 to P86, P90, P91, PA0 to PA7, and PB0 to PB2 are found only in the MB90675 series.
3. Program Mode
In the MB90P673/P678, all of the bits are set to “1” when the IC is shipped from Fujitsu and after erasure. To
input data, program the IC by selectively setting the desired bits to “0”. Bits cannot be set to “1” electrically.
4. Recommended Screening Conditions
High-temperature aging is recommended as the pre-assembly screening procedure for a product with a blanked
OTPROM with microcontroller program.
5. Programming Yield
All bits cannot be programmed at Fujitsu shipping test to a blanked OTPROM microcomputer, due to its nature.
For this reason, a programming yield of 100% cannot be assured at all times.
Pin no.
Pin name
Treatment
Classification
Pin no.
Pin name
MD0
MD1
X0
Connect a pull-up
resistor of 4.7 k
.
Power supply
See “Pin Assignment.”
HST
V
CC
X1
OPEN
AV
CC
AVRH
P37
P40 to P47
P50 to P57
P60 to P67
P70 to P77
P80 to P86
P90
P91
PA0 to PA7
PB0 to PB2
GND
See “Pin Assignment.”
P34
P35
P36
RST
AVRL
AV
SS
V
SS
Connect a pull-up
resistor of about
1 M
to each pin.
Program, verify
Aging
+150
°
C, 48 Hrs.
Data verification
Assembly
S
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