Datasheet

ATmega48PA/88PA/168PA [DATASHEET]
9223F–AVR–04/14
308
Figure 30-75. Calibrated 8MHz RC Oscillator Frequency versus V
CC
Figure 30-76. Calibrated 8MHz RC Oscillator Frequency versus Temperature
Figure 30-77. Calibrated 8MHz RC Oscillator Frequency versus OSCCAL Value
1.8 2.3 2.8 3.3 3.8 4.3 4.8 5.3
V
CC
(V)
8.1
7.9
8
8.2
8.3
8.4
7.8
7.7
7.6
F
RC
(MHz)
150
125
85
25
-40
150
125
85
25
-40
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150
Temperature (°C)
8.1
8.0
7.9
8.4
8.3
8.2
7.8
7.7
7.6
F
RC
(MHz)
6.0
5.5
5.0
4.5
4.0
3.6
3.3
3.0
2.7
2.5
2.2
2.0
1.8
0 16 32 48 64 80 96 112 128 144 160 176 192 208 224 240
OSC
CAL
(X1)
10
8
6
12
14
16
4
2
0
F
RC
(MHz)
150
125
85
25
-40
150
125
85
25
-40