參數(shù)資料
型號(hào)： 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(yè)數(shù)： 7/99頁(yè)
文件大小： 935K
代理商： MB91101APF
MB91101/MB91101A
15
s
s HANDLING DEVICES
1.
Preventing Latchup
In CMOS ICs, applying voltage higher than VCC or lower than VSS to input/output pin or applying voltage over
rating across VCC and VSS may cause latchup.
This phenomenon rapidly increases the power supply current, which may result in thermal breakdown of the
device. Make sure to prevent the voltage from exceeding the maximum rating.
Take care that the analog power supply (AVCC , AVRH) and the analog input do not exceed the digital power
supply (VCC) when the analog power supply turned on or off.
2.
Treatment of Unused Pins
Unused pins left open may cause malfunctions. Make sure to connect them to pull-up or pull-down resistors.
3.
External Reset Input
It takes at least 5 machine cycle to input “L” level to the RST pin and to ensure inner reset operation properly.
4.
Remarks for External Clock Operation
When external clock is selected, supply it to X0 pin generally, and simultaneously the opposite phase clock to
X0 must be supplied to X1 pin. However, in this case the stop mode must not be used (because X1 pin stops at
“H” output in stop mode).
And it can be used to supply only to X0 pin with 5 V power supply at 12.5 MHz and less than.
X0
X1
Open
MB91101
X0
X1
MB91101
Using an external clock (normal)
Note: Stop mode (oscillation stop mode) can not be used.
Using an external clock (can be used at 12.5 MHz and less than.)
(5 V power supply only)
Using an external clock
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PDF描述
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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:
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