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參數(shù)資料
| 型號： | MB91307RPFV |
| 廠商： | FUJITSU LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-Bit Microcontroller |
| 中文描述： | 32-BIT, 66 MHz, RISC MICROCONTROLLER, PQFP120 |
| 封裝： | LEAD FREE, PLASTIC, LQFP-120 |
| 文件頁數(shù)： | 15/96頁 |
| 文件大?。?/td> | 963K |
| 代理商： | MB91307RPFV |
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MB91307 Series
15
Sample use of Stop Mode with 3.3 V power supply
About crystal oscillator circuit
Noise near the X0 and X1 pins may cause the device to malfunction. Design the printed circuit board so that
X0, X1, the crystal oscillator (or ceramic oscillator) , and the bypass capacitor to ground are located as close to
the device as possible.
It is strongly recommended to design the PC board artwork with the X0 and X1 pins surrounded by ground plane
because stable operation can be expected with such a layout.
Treatment of NC pins
Any pins marked “NC” (not connected) must be left open.
About mode pins (MD0 to MD2)
Mode pins (MD0 to MD2) should be connected directly to V
CC
or V
SS
.
To prevent the device erroneously switching to test mode due to noise, design the printed circuit board such that
the distance between the mode pins and V
CC
or V
SS
is as short as possible and the connection impedance is low.
Operation at startup
Immediately after a power-on startup, always apply a reset initialization (INIT) at the INIT pin. Also, in order to
assure a wait period for the oscillator circuits to stabilize immediately after startup, be sure that the “L” level input
to the INIT pin continues for the required stabilization wait interval. (The INIT cycle for the INIT pin includes only
the minimum setting for the stabilization wait period.)
Base oscillator input at startup
At power-on startup, always input a clock signal until the oscillator stabilization wait period is ended.
Caution on Operations during PLL Clock Mode
If the PLL clock mode is selected, the microcontroller attempt to be working with the self-oscillating circuit even
when there is no external oscillator or external clock input is stopped. Performance of this operation, however,
cannot be guaranteed.
Precaution on using ports 6 and 7
If one of P60/A15 to P70/A24, which are shared for output of external bus interface addresses, is used as a port,
a grid voltage is applied to the port instantaneously when the status of another address output pin is changed.
Therefore, add resistors or capacitors to those ports to prevent application of the grid voltage.
V
CC
C
V
SS
0.1 F
3.3 V
2.4 k
7.6 k
GND
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| MB91310 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Proprietary 32-bit Microcontroller |
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| MB91314APMC-GE1 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit Microcontroller |
| MB91316 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontrollers |
| MB91316A | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontrollers |
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