參數(shù)資料
型號： R83C154DTXXX-25D
廠商： ATMEL CORP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 25 MHz, MICROCONTROLLER, CQCC44
封裝： LCC-44
文件頁數(shù)： 74/108頁
文件大小： 3682K
代理商： R83C154DTXXX-25D
68
8069R–AVR–06/2013
XMEGA A4
Not recommended for new designs -
Use XMEGA A4U series
34.11 POR Characteristics
34.12 Reset Characteristics
34.13 Oscillator Characteristics
Table 34-12.
Power-on Reset Characteristics
Symbol
Parameter
Condition
Min
Typ
Max
Units
V
POT-
POR threshold voltage falling V
CC
V
CC falls faster than 1V/ms
0.4
0.8
V
CC falls at 1V/ms or slower
0.8
1.3
V
POT+
POR threshold voltage rising V
CC
1.3
1.59
Table 34-13.
Reset Characteristics
Symbol
Parameter
Condition
Min
Typ
Max
Units
Minimum reset pulse width
90
ns
Reset threshold voltage
V
CC = 2.7 - 3.6V
0.45*V
CC
V
CC = 1.6 - 2.7V
0.42*V
CC
Table 34-14.
Internal 32.768 kHz Oscillator Characteristics
Symbol
Parameter
Condition
Min
Typ
Max
Units
Accuracy
T = 85
C, V
CC = 3V,
After production calibration
-0.5
0.5
%
Table 34-15.
Internal 2 MHz Oscillator Characteristics
Symbol
Parameter
Condition
Min
Typ
Max
Units
Accuracy
T = 85
C, V
CC = 3V,
After production calibration
-1.5
1.5
%
DFLL Calibration step size
T = 25
C, V
CC = 3V
0.15
Table 34-16.
Internal 32 MHz Oscillator Characteristics
Symbol
Parameter
Condition
Min
Typ
Max
Units
Accuracy
T = 85
C, V
CC = 3V,
After production calibration
-1.5
1.5
%
DFLL Calibration stepsize
T = 25
C, V
CC = 3V
0.2
Table 34-17.
Internal 32 kHz, ULP Oscillator Characteristics
Symbol
Parameter
Condition
Min
Typ
Max
Units
Output frequency 32 kHz ULP OSC
T = 85
C, V
CC = 3.0V
26
kHz
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