Datasheet

279XMEGA A4U [DATASHEET]
Atmel-8387G-AVR-ATxmega16A4U-34A4U-64A4U-128A4U-Datasheet_03/2014
37.3.10.2 32.768kHz Internal Oscillator
Figure 37-241. 32.768kHz internal oscillator frequency vs. temperature.
Figure 37-242. 32.768kHz internal oscillator frequency vs. calibration value.
V
CC
= 3.0V, T = 25°C.
32.55
32.58
32.61
32.64
32.67
32.70
32.73
32.76
32.79
32.82
32.85
-45-35-25-15-5 5 1525354555657585
Frequency [kHz]
Temperature [°C]
3.6V
3.0V
2.7V
2.2V
1.8V
1.6V
23
26
29
32
35
38
41
44
47
50
53
0 30 60 90 120 150 180 210 240 270
Frequency [kHz]
RC32KCAL[7..0]