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參數(shù)資料
| 型號(hào)： | MB91F353APMT |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | RISC MICROCONTROLLER, PQFP120 |
| 封裝： | 16 X 16 MM, 1.70 MM HEIGHT, 0.50 MM PPITCH, LEAD FREE, PLASTIC, LQFP-120 |
| 文件頁(yè)數(shù)： | 57/140頁(yè) |
| 文件大?。?/td> | 3803K |
| 代理商： | MB91F353APMT |
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MB91350A Series
DS07-16503-5E
23
■ HANDLING DEVICES
Preventing Latch-up
Latch-up may occur in a CMOS IC if a voltage greater than VCC or less than VSS is applied to an input or output
pin or if an above-rating voltage is applied between VCC and VSS. A latch-up,if it occurs, significantly increases
the power supply current and may cause thermal destruction of an element. When you use a CMOS IC, don’t
exceed the absolute maximum rating.
Treatment of Unused Pins
Do not leave unused input pins open, as this may cause a malfunction. Handle by using a pull-up or pull-down
resistor.
Power Supply Pins
In products with multiple VCC and VSS pins, the pins of the same potential are internally connected in the device
to avoid abnormal operations including latch-up. However, you must connect the pins to the external power
supply and ground lines in order to lower the electro-magnetic emission level, to prevent abnormal operation of
strobe signals caused by the rise in the ground level, and to conform to the total output current rating. Moreover,
connect the current supply source to the VCC and VSS pins of this device at the low impedance.
It is also advisable to connect a ceramic bypass capacitor of approximately 0.1
F between VCC and VSS pins
near this device.
Crystal Oscillator Circuit
Noise near the X0, X1, X0A and X1A pins may cause the device to malfunction. Design the printed circuit board
so that X0, X1, X0A, X1A, the crystal oscillator (or ceramic oscillator), and the bypass capacitor to ground are
located close to the device as possible.
It is strongly recommended that the PC board artwork be designed such that the X0, X1, X0A and X1A pins are
surrounded by ground plane, as stable operation can be obtained by using this layout.
Please ask the crystal maker to evaluate the oscillational characteristics of the crystal and this device.
Notes on Using an External Clock
When using an external clock, as a general rule you should simultaneously supply the clock signal to X0 and a
clock signal with the reverse phase to X1. However, the stop mode (oscillator stop mode) must not be used
under this configuration (This is because the X1 pin stops at High level output in STOP mode) .
Using an external clock (normal)
Clock Control Block
Hold the signal for the oscillation stabilization wait time when inputting a Low level to the INIT pin.
X0
X1
Note : STOP mode (oscillation stop mode) cannot be used.
MB91350A series
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PDF描述 |
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| MB91354APMT | 32-BIT, MROM, 50 MHz, RISC MICROCONTROLLER, PQFP176 |
| MB91F356BPMT | RISC MICROCONTROLLER, PQFP176 |
| MB91461PMC-GSE1 | RISC MICROCONTROLLER, PQFP176 |
| MB91664PMC | 32-BIT, MROM, 33 MHz, RISC MICROCONTROLLER, PQFP120 |
| MB91661PMC | 32-BIT, MROM, 33 MHz, RISC MICROCONTROLLER, PQFP120 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB91F353APMT-GE1 | 制造商:FUJITSU 功能描述:IC 16BIT MCU 5V SMD LQFP120 |
| MB91F354A | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-Bit Proprietary Microcontroller |
| MB91F355A | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit Microcontroller |
| MB91F355APMCR-G-002E1 | 制造商:FUJITSU 功能描述: |
| MB91F355APMT-002 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit Microcontroller |
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