ATXMEGA128B3-AU ATMEL [ATMEL Corporation], ATXMEGA128B3-AU Datasheet - Page 117

• Manufacturer Part Number: ATXMEGA128B3-AU
• Description: 8/16-bit Atmel XMEGA B3 Microcontroller
• Manufacturer: ATMEL [ATMEL Corporation]

8074B–AVR–02/12
Figure 37-56. 32.768kHz internal oscillator calibration step size.
Figure 37-57. 32.768kHz internal oscillator frequency vs. calibration value.
-0.005
-0.015
-0.025
-0.035
-0.045
0.005
0.000
-0.01
-0.02
-0.03
-0.04
0.01
55
50
45
40
35
30
25
20
0
0
T = -40
V
CC
16
= 3.0V, T = 25°C
°
C to 85
32
32
48
°
C, V
64
64
CC
.
= 3V
80
.
96
96
RC32KCAL[7..0]
112 128 144 160 176 192 208 224 240 256
RC32KCAL[7..0]
128
160
192
XMEGA B3
224
256
3.0 V
-40°C
85°C
25°C
117