Atmel AVR XMEGA 8/16-bit High Performance Low Power Flash Microcontrollers Fiche technique Page 84

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XMEGA E5 [DATASHEET]
Atmel-8153J–AVR-ATxmega8E5-ATxmega16E5-ATxmega32E5_Datasheet–11/2014
36.13 Clock and Oscillator Characteristics
36.13.1 Calibrated 32.768kHz Internal Oscillator Characteristics
Table 36-20. 32.768kHz Internal Oscillator Characteristics
36.13.2 Calibrated 8MHz Internal Oscillator Characteristics
Table 36-21. 8MHz Internal Oscillator Characteristics
36.13.3 Calibrated and Tunable 32MHz Internal Oscillator Characteristics
Table 36-22. 32MHz Internal Oscillator Characteristics
36.13.4 32 kHz Internal ULP Oscillator Characteristics
Table 36-23. 32 kHz Internal ULP Oscillator Characteristics
Symbol Parameter Condition Min. Typ. Max. Units
Frequency 32.768 kHz
Factory calibration accuracy T = 25°C, V
CC
= 3.0V -0.5 0.5
%
User calibration accuracy -0.5 0.5
Symbol Parameter Condition Min. Typ. Max. Units
Frequency range 4.4 9.4
MHz
Factory calibrated frequency 8
Factory calibration accuracy T = 25°C, V
CC
= 3.0V -0.5 0.5
%
User calibration accuracy -0.5 0.5
Symbol Parameter Condition Min. Typ. Max. Units
Frequency range
DFLL can tune to this frequency over voltage
and temperature
30 55
MHz
Factory calibrated frequency 32
Factory calibration accuracy T = 25°C, V
CC
= 3.0V -1.5 1.5
%User calibration accuracy -0.2 0.2
DFLL calibration step size 0.23
Symbol Parameter Condition Min. Typ. Max. Units
Output frequency 32 kHz
Accuracy -30 30 %
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