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參數(shù)資料
| 型號： | MB91101APF |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, 50 MHz, RISC MICROCONTROLLER, PQFP100 |
| 封裝： | PLASTIC, QFP-100 |
| 文件頁數(shù)： | 9/99頁 |
| 文件大?。?/td> | 935K |
| 代理商： | MB91101APF |
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MB91101/MB91101A
17
9.
Mode Setting Pins (MD0 to MD2)
Connect mode setting pins (MD0 to MD2) directly to VCC or VSS.
Arrange each mode setting pin and VCC or VSS patterns on the printed circuit board as close as possible and
make the impedance between them minimal to prevent mistaken entrance to the test mode caused by noises.
10. Internal DC Regulator
Internal DC regulator stops in stop mode. When the regulator stops owing to the increase of inner leakage
current (ICCH) in stop mode, malfunction caused by noise or any troubles about power supply in normal operation,
the internal 3 V power supply voltage may decrease less than the warranty range for normal operation. So when
using the internal regulator and stop mode with 5 V power supply, never fail to support externally so that 3 V
power supply voltage might not decrease. However, even in such a case, the internal regulator can be restarted
by inputting the reset procedure. (In this case, set the reset to “L” level within the oscillation stabilizing waiting
time.)
11. Pin Condition at Turning on the Power Supply
The pin condition at turning on the power supply is unstable. The circuit starts being initialized after turning on
the power supply and then starting oscillation and then the operation of the internal regulator becomes stable.
So it takes about 42 ms for the pin to be initialized from the oscillation starting at the source oscillation 12.5 MHz.
Take care that the pin condition may be output condition at initial unstable condition.
(With the MB91101A, however, initalization can be achieved in less than about 42 ms after turning on the internal
power supply by maintaining the RST pin at "L" level.)
12. Source Oscillation Input at Turning on the Power Supply
At turning on the power supply, never fail to input the clock before cancellation of the oscillation stabilizing waiting.
13. Hardware Stand-by at Turning on the Power Supply
When turning on the power supply with the HST pin being set to “L” level, the hardware doesn’t stand by. However
the HST pin becomes available after the reset cancellation, the HST pin must once be back to “H” level.
14. Power on Reset
Make sure to make power on reset at turning on the power supply or returning on the power supply when the
power supply voltage is below the warranty range for normal operation.
VCC5
VCC3
VSS
3.6 k
6.8 k
0.1
F
approx.
5 V
Using STOP mode with 5 V power supply
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB91101APFR-G-JNE1 | 制造商:FUJITSU 功能描述: |
| MB91101APFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit RISC Microcontroller |
| MB91106 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit RISC Microcontroller |
| MB91106PF | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit RISC Microcontroller |
| MB91106PFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit RISC Microcontroller |
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