
XMEGA A4U [DATASHEET]
Atmel-8387G-AVR-ATxmega16A4U-34A4U-64A4U-128A4U-Datasheet_03/2014
238
Figure 37-160. 2MHz internal oscillator CALA calibration step size.
V
CC = 3V.
37.2.10.4 32MHz Internal Oscillator
Figure 37-161. 32MHz internal oscillator frequency vs. temperature.
DFLL disabled
.
85°C
25°C
-40°C
0.15
0.17
0.19
0.21
0.23
0.25
0.27
0.29
0.31
0
1020
3040
50
6070
80
90
100
110
120
130
CALA
S
te
p
si
ze
[
%
]
31.5
32.0
32.5
33.0
33.5
34.0
34.5
35.0
35.5
36.0
-45
-35
-25
-15
-5
5
15
25
35
45
55
65
75
85
Temperature [°C]
Fr
e
qu
enc
y
[MH
z
]
3.3V
3.0V
2.7V
2.2V
1.8V