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參數(shù)資料
| 型號： | MB90455SPMT |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP48 |
| 封裝： | 0.50 MM PITCH, PLASTIC, LQFP-48 |
| 文件頁數(shù)： | 66/78頁 |
| 文件大?。?/td> | 680K |
| 代理商： | MB90455SPMT |
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MB90455 Series
69
7.
Notes on A/D Converter Section
Use the device with external circuits of the following output impedance for analog inputs:
Recommended output impedance of external circuits are: Approx. 3.9 k
or lower (4.5 V ≤ AVcc ≤ 5.5 V)
(sampling period=2.00
s at 16-MHz machine clock), Approx. 11 k or lower (4.0 V ≤ AVcc < 4.5 V) (sampling
period=8.0
s at 16-MHz machine clock).
If an external capacitor is used, in consideration of the effect by tap capacitance caused by external capacitors
and on-chip capacitors, capacitance of the external one is recommended to be several thousand times as high
as internal capacitor.
If output impedance of an external circuit is too high, a sampling period for an analog voltage may be insufficient.
About errors
As [AVR-AVss] become smaller, values of relative errors grow larger.
8.
Flash Memory Program/Erase Characteristics
Parameter
Conditions
Value
Unit
Remarks
Min
Typ
Max
Sector eraset time
TA
= + 25 °C
VCC
= 5.0 V
115
s
Excludes 00H programming
prior to erasure
Chip erase time
4
s
Excludes 00H programming
prior to erasure
Word (16 bit width)
programming time
16
3,600
s
Except for the over head
time of the system
Program/Erase cycle
10,000
cycle
C
R
Analog input circuit model
Note : Use the values in the figure only as a guideline.
MB90F455 (S) /F456 (S) /F457 (S) and MB90455 (S) /456 (S) /457 (S)
4.5 V
≤ AVCC ≤ 5.5 V
R := 2.35 k
, C := 36.4 pF
4.0 V
≤ AVCC < 4.5 V
R := 16.4 k
, C := 36.4 pF
Comparator
Analog input
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB90456 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Microcontroller |
| MB90456PMT | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90456S | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90456SPMT | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90457 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Microcontroller |
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