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參數(shù)資料
| 型號(hào)： | MB90F897SPMT |
| 廠商： | FUJITSU LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 10-Bit Buffers/Drivers With 3-State Outputs 24-CDIP -55 to 125 |
| 中文描述： | 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP48 |
| 封裝： | 0.50 MM PITCH, PLASTIC, LQFP-48 |
| 文件頁(yè)數(shù)： | 58/78頁(yè) |
| 文件大小： | 746K |
| 代理商： | MB90F897SPMT |
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MB90895 Series
58
(Continued)
*6 :
Applicable to pins: P10 to P17, P20 to P27, P30 to P33, P35, P36, P37, P40 to P44, P50 to P57
Note: P35 and P36 are MB90F897S only.
Use within recommended operating conditions.
Use at DC voltage (current) .
The
+
B signal should always be applied a limiting resistance placed between the
+
B signal and the
microcontroller.
The value of the limiting resistance should be set so that when the
+
B signal is applied the input current to the
microcontroller pin does not exceed rated values, either instantaneously or for prolonged periods.
Note that when the microcontroller drive current is low, such as in the power saving modes, the
+
B input potential
may pass through the protective diode and increase the potential at the V
CC
pin, and this may affect other
devices.
Note that if a
+
B signal is input when the microcontroller power supply is off (not fixed at 0 V) , the power supply is
provided from the pins, so that incomplete operation may result.
Note that if the
+
B input is applied during power-on, the power supply is provided from the pins and the
resulting supply voltage may not be sufficient to operate the power-on reset.
Care must be taken not to leave the
+
B input pin open.
Note that analog system input/output pins other than the A/D input pins (LCD drive pins, comparator input
pins, etc.) cannot accept
+
B signal input.
Sample recommended circuits:
WARNING:
Semiconductor devices can be permanently damaged by application of stress (voltage, current,
temperature, etc.) in excess of absolute maximum ratings. Do not exceed these ratings.
P-ch
N-ch
V
CC
R
Input/Output Equivalent circuits
+
B input (0 V to 16 V)
Limiting
resistance
Protective diode
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