Calibrated 4 Mhz Rc Oscillator Frequency Vs. V; 4 Mhz Rc Oscillator Frequency Vs. Osccal Value - Atmel ATmega128 Manual

2467S–AVR–07/09
Figure 200. Calibrated 4 MHz RC Oscillator Frequency vs. V
CALIBRATED 4MHz RC OSCILLATOR FREQUENCY vs. Vcc
4.1
4.05
4
3.95
3.9
3.85
3.8
3.75
3.7
3.65
3.6
2.5 3
Figure 201. 4 MHz RC Oscillator Frequency vs. Osccal Value
4MHz RC OSCILLATOR FREQUENCY vs. OSCCAL VALUE
9
8
7
6
5
4
3
2
1
0
0 16 32 48
3.5 4
V (V)
CC
64 80 96 112 128 144 160 176 192 208 224 240
OSCCAL VALUE
ATmega128
CC
-40 ˚C
4.5 5 5.5
25 ˚C
25 ˚C
85 ˚C
353