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參數資料
| 型號： | MB90V340A-104 |
| 廠商： | Fujitsu Limited |
| 英文描述： | 16-bit Proprietary Microcontroller |
| 中文描述： | 16位微控制器專有 |
| 文件頁數： | 56/59頁 |
| 文件大?。?/td> | 262K |
| 代理商： | MB90V340A-104 |
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MB90360 Series
56
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. 1.5 k
or lower (4.0 V
≤
AV
CC
≤
5.5 V,
sampling period
=
0.5
μ
s)
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.
Analog input circuit model
8.
Flash Memory Program/Erase Characteristics
* : This value comes from the technology qualification (using Arrhenius equation to translate high temperature
measurements into normalized value at
+
85
°
C) .
Parameter
Conditions
Value
Unit
Remarks
Min
Typ
Max
Chip erase time
T
A
=
+
25
°
C
V
CC
=
5.0 V
1
15
s
Excludes programming
prior to erasure
Word (16-bit width)
programming time
16
3,600
μ
s
Except for the overhead
time of the system level
Program/Erase cycle
10,000
cycle
Flash memory data
retention time
Average
T
A
=
+
85
°
C
20
Year
*
C
R
Comparator
Analog input
4.5 V
≤
AV
CC
≤
5.5 V : R : 2.52 k
, C : 10.7 pF
4.0 V
≤
AV
CC
< 4.5 V : R : 13.6 k
, C : 10.7 pF
Note : Use the values in the figure only as a guideline.
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