ATXMEGA16E5_14 Datasheet, PDF (129/147 Pages) ATMEL Corporation – 8/16-bit Atmel AVR XMEGA Microcontrollers

Figure 37-72. 32.768kHz internal oscillator frequency vs. calibration value.
V_CC = 3.0V
50.00
Tem perature
-40
25
45.00
85
105
40.00
35.00
30.00
25.00
20.00
0
24 48 72 96 120 144 168 192 216 240 264
CAL
Figure 37-73. 32.768kHz internal oscillator calibration step size.
V_CC = 3.0V, T = 25°C to 105°C
1.00
0.00
-1.00
Tem perature
-40
25
85
105
-2.00
-3.00
-4.00
-5.00
0
32
64
96
128
160
192
224
256
CAL
XMEGA E5 [DATASHEET]
Atmel-8153I–AVR-ATxmega8E5-ATxmega16E5-ATxmega32E5_Datasheet–08/2014
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