參數(shù)資料
型號(hào)： MB90F523BPMC1
廠商： FUJITSU LTD
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP120
封裝： 14 X 14 MM, 1.70 MM HEIGHT, 0.40 MM PITCH, PLASTIC, LQFP-120
文件頁數(shù)： 73/96頁
文件大?。?/td> 2960K
代理商： MB90F523BPMC1
MB90520B Series
DS07-13707-5E
83
(2) Power-On Reset
(AVCC
= VCC = 5.0 V ± 10%, AVSS = VSS = DVSS = 0.0 V, Ta = 40 °C to +85 °C)
* : VCC must be less than 0.2 V before power-on.
Notes :
The above rating values are for generating a power-on reset.
When HST = “L”, always apply the power supply in accordance with the above ratings regardless of whether
a power-on reset is required.
Some internal registers are only initialized by a power-on reset. Always apply the power supply in cordance
with the above ratings if you wish to initialize these registers.
Parameter
Symbol
Pin
Name
Condi-
tion
Value
Unit
Remarks
Min
Typ
Power supply rise time
tR
VCC
0.05
30
ms
*
Power supply cutoff time
tOFF
VCC
4
ms
For repeated operation
VCC
3.0 V
VSS
tR
0.2 V
2.7 V
tOFF
0.2 V
Maintain RAM data
Recommended rate of voltage
rise is 50 mV/ms or less.
Sudden changes in the power supply voltage may cause a power-on reset.
The recommended practice if you wish to change the power supply voltage while the device is operating is
to raise the voltage smoothly as shown below. Also, changes to the supply voltage should be performed when
the PLL clock is not in use. The PLL clock may be used, however, if the rate of voltage change is 1 V/s or less.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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