
283
XMEGA A4U [DATASHEET]
Atmel-8387G-AVR-ATxmega16A4U-34A4U-64A4U-128A4U-Datasheet_03/2014
Figure 37-249. 32MHz internal oscillator CALB calibration step size.
V
CC = 3.0V
37.3.10.5 32MHz internal oscillator calibrated to 48MHz
Figure 37-250. 48MHz internal oscillator frequency vs. temperature.
DFLL disabled.
85°C
25°C
-40°C
0.80 %
1.00 %
1.20 %
1.40 %
1.60 %
1.80 %
2.00 %
2.20 %
2.40 %
2.60 %
2.80 %
0
8
16
24
32
40
48
56
64
F
req
uenc
y
S
tep
s
iz
e
[
%
]
CALB
47.0
47.8
48.6
49.4
50.2
51.0
51.8
52.6
53.4
-45
-35
-25
-15
-5
5
1525354555657585
F
req
uenc
y
[M
H
z]
Temperature [°C]
3.6V
3.0V
2.7V
2.2V
1.8V
1.6V