參數(shù)資料
型號(hào): MB90F483PF
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP100
封裝: PLASTIC, QFP-100
文件頁(yè)數(shù): 94/101頁(yè)
文件大小: 1063K
代理商: MB90F483PF
MB90480 Series
92
Notes :
Error increases in absolute terms as the value |AVRH AVSS|decreases.
The external circuit output impedance for analog input channels should be set according to the following
conditions.
External circuit output impedance of approximately 4 k
or less is recommended. If an external capacitor
is used, then due to considerations of capacitance division between the external capacitor and on-chip
capacitors the external capacitor should be on the order of several thousand times the level of the internal
capacitors.
If the output impedance of external circuits is set too high, the analog voltage sampling time may be too
short (sampling time
= 1.92 s at machine clock 25 MHz) .
Concerning analog input circuits
Note : Concerning sampling time, and compare time When 3.6 V
≥ AVCC ≥ 2.7 V, then
Sampling time : 1.92
s, compare time : 1.1 s
Settings should ensure that actual values do not go below these values due to operating frequency changes.
Flash Memory Program/Erase Characteristics
Parameter
Conditions
Value
Unit
Remarks
Min
Typ
Max
Sector erase time
TA
= + 25 °C
VCC
= 3.0 V
115
s
Excludes 00H programming
prior erasure
Chip erase time
7
s
Excludes 00H programming
prior erasure
Word (16-bit)
programming time
16
3,600
s
Excludes system-level overhead
Program/Erase cycle
10,000
cycle
Data hold time
100,000
h
RON1
RON2
RON3
RON4
C0
C1
Sample & hold circuit
Analog input
Comparator
Note: Values shown here are intended as guidelines.
Model analog input circuit
RON1 : Approx. 200
RON2
+ RON3 : Approx. 2 k
RON4 : Approx. 1.9 k
Total C : 32.3 pF
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