Datasheet
XMEGA A4U [DATASHEET]
Atmel-8387G-AVR-ATxmega16A4U-34A4U-64A4U-128A4U-Datasheet_03/2014
84
36.1.14.2 Calibrated 2MHz RC Internal Oscillator characteristics
Table 36-23. 2MHz internal oscillator characteristics.
36.1.14.3 Calibrated and tunable 32MHz internal oscillator characteristics
Table 36-24. 32MHz internal oscillator characteristics.
36.1.14.4 32kHz Internal ULP Oscillator characteristics
Table 36-25. 32kHz internal ULP oscillator characteristics.
Symbol Parameter Condition Min. Typ. Max. Units
Frequency range
DFLL can tune to this frequency over
voltage and temperature
1.8 2.2 MHz
Factory calibrated frequency 2.0 MHz
Factory calibration accuracy T = 85C, V
CC
= 3.0V -1.5 1.5 %
User calibration accuracy -0.2 0.2 %
DFLL calibration stepsize 0.21 %
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 MHz
Factory calibration accuracy T = 85C, V
CC
= 3.0V -1.5 1.5 %
User calibration accuracy -0.2 0.2 %
DFLL calibration step size 0.22 %
Symbol Parameter Condition Min. Typ. Max. Units
Output frequency 32 kHz
Accuracy -30 30 %