Datasheet

74
XMEGA D3 [DATASHEET]
Atmel-8134N-ATxmega32D3-64D3-128D3-192D3-256D3-384D3_datasheet–03/2014
32.1.13 Clock and oscillator characteristics
32.1.13.1 Calibrated 32.768kHz internal oscillator characteristics
Table 32-19. 32.768kHz internal oscillator characteristics.
32.1.13.2 Calibrated 2MHz RC internal oscillator characteristics
Table 32-20. 2MHz internal oscillator characteristics.
32.1.13.3 Calibrated 32MHz internal oscillator characteristics
Table 32-21. 32MHz internal oscillator characteristics.
32.1.13.4 32kHz internal ULP oscillator characteristics
Table 32-22. 32kHz internal ULP oscillator characteristics.
Symbol Parameter Condition Min. Typ. Max. Units
Frequency 32.768 kHz
Factory calibration accuracy T = 85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
1.8 2.0 2.2
MHz
Factory calibrated frequency 2.0
Factory calibration accuracy T = 85C, V
CC
= 3.0V -1.5 1.5
%User calibration accuracy -0.2 0.2
DFLL calibration stepsize 0.18
Symbol Parameter Condition Min. Typ. Max. Units
Frequency range
DFLL can tune to this frequency over
voltage and temperature
30 32 55
MHz
Factory calibrated frequency 32
Factory calibration accuracy T = 85C, V
CC
= 3.0V -1.5 1.5
%User calibration accuracy -0.2 0.2
DFLL calibration step size 0.19
Symbol Parameter Condition Min. Typ. Max. Units
Factory calibrated frequency 32 kHz
Factory calibration accuracy T = 85°C, V
CC
= 3.0V -12 12
%
Accuracy -30 30