Datasheet

332
4317K–AVR–03/2013
AT90PWM2/3/2B/3B
Figure 27-37. Calibrated 8 MHz RC Oscillator Frequency vs. V
CC
Figure 27-38. Calibrated 8 MHz RC Oscillator Frequency vs. Osccal Value
INT RC OSCILLATOR FREQUENCY vs. OPERATING VOLTAGE
10000 Cycles sampled w ith 250nS
7.5
7.6
7.7
7.8
7.9
8
8.1
8.2
8.3
8.4
8.5
2 2.5 3 3.5 4 4.5 5 5.5
V
CC
(V)
F
RC
(MHz)
105
85
25
-40
0
2
4
6
8
10
12
14
16
18
0 16 32 48 64 80 96 112 128 144 160 176 192 208 224 240
OSCCA L
F
RC
(MHz)