參數(shù)資料
型號: MB90F867ESPFV
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 16-bit Proprietary Microcontroller CMOS
中文描述: 16-BIT, FLASH, 24 MHz, MICROCONTROLLER, PQFP100
封裝: 14 X 14 MM, 1.70 MM HEIGHT, 0.50 MM PITCH, PLASTIC, LQFP-100
文件頁數(shù): 60/67頁
文件大?。?/td> 980K
代理商: MB90F867ESPFV
MB90860E Series
60
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.
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
Sector erase time
T
A
=
+
25
°
C
V
CC
=
5.0 V
1
15
s
Excludes programming
prior to erasure
Chip erase time
9
s
Excludes programming
prior to erasure
Word (16-bit width)
programming time
16
3600
μ
s
Except for the over head
time of the system
Programs/Erase cycle
10000
cycle
Flash Data Retention
Time
Average
T
A
=
+
85
°
C
20
Year
*
C
Comparator
Analog input
R
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
Analog input circuit model
Note : Use the values in the figure only as a guideline.
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