
93
XMEGA D3 [DATASHEET]
Atmel-8134N-ATxmega32D3-64D3-128D3-192D3-256D3-384D3_datasheet–03/2014
32.2.13
Clock and oscillator characteristics
32.2.13.1 Calibrated 32.768kHz internal oscillator characteristics
Table 32-48. 32.768kHz internal oscillator characteristics.
32.2.13.2 Calibrated 2MHz RC internal oscillator characteristics
Table 32-49. 2MHz internal oscillator characteristics.
32.2.13.3 Calibrated 32MHz internal oscillator characteristics
Table 32-50. 32MHz internal oscillator characteristics.
32.2.13.4 32kHz internal ULP oscillator characteristics
Table 32-51. 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, VCC = 3.0V
-12
12
%
Accuracy
-30
30