ATXMEGA64A1-CU View Datasheet(PDF) - Atmel Corporation
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Description
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ATXMEGA64A1-CU Datasheet PDF : 107 Pages
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33.11 POR Characteristics
Table 33-12. Power-on Reset Characteristics
Symbol Parameter
VPOT-
VPOT+
POR threshold voltage falling Vcc
POR threshold voltage rising Vcc
Condition
33.12 Reset Characteristics
Table 33-13. Reset Characteristics
Symbol Parameter
Minimum reset pulse width
Reset threshold voltage
33.13 Oscillator Characteristics
Condition
VCC = 2.7 - 3.6V
VCC = 1.6 - 2.7V
Table 33-14. Internal 32.768 kHz Oscillator Characteristics
Symbol Parameter
Condition
Accuracy
T = 85°C, VCC = 3V,
After production calibration
Table 33-15. Internal 2 MHz Oscillator Characteristics
Symbol Parameter
Condition
Accuracy
T = 85°C, VCC = 3V,
After production calibration
DFLL Calibration step size
T = 25°C, VCC = 3V
Table 33-16. Internal 32 MHz Oscillator Characteristics
Symbol Parameter
Condition
Accuracy
T = 85°C, VCC = 3V,
After production calibration
DFLL Calibration stepsize
T = 25°C, VCC = 3V
Table 33-17. Internal 32 kHz, ULP Oscillator Characteristics
Symbol Parameter
Condition
Output frequency 32 kHz ULP OSC T = 85°C, VCC = 3.0V
XMEGA A1
Min
Typ
Max Units
1
V
1.4
Min
Typ
Max Units
90
ns
0.45*VCC
V
0.42*VCC
Min
Typ
Max Units
-0.5
0.5
%
Min
Typ
Max Units
-1.5
1.5
%
0.175
Min
Typ
Max Units
-1.5
1.5
%
0.2
Min
Typ
Max Units
26
kHz
74
8067L–AVR–08/10
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