Datasheet

409
ATmega16U4/32U4 [DATASHEET]
Atmel-7766J-USB-ATmega16U4/32U4-Datasheet_04/2016
Figure 30-34. Watchdog Oscillator Frequency vs. V
CC
Figure 30-35. Calibrated 8MHz RC Oscillator Frequency vs. Osccal Value
85°C
25°C
-40°C
110
112
114
116
118
120
122
124
1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
F
RC
(kHz)
85°C
25°C
-40°C
0
2
4
6
8
10
12
14
0 16 32 48 64 80 96 112 128 144 160 176 192 208 224 240 256
OSCCAL (X1)
F
RC
(MHz)