Rainbow-electronics ATmega32L Bedienungsanleitung PDF herunterladen (Seite 293)

100

101

293

ATmega32(L)

2503C–AVR–10/02

Figure 148. RC Oscillator Frequency vs. Temperature (the devices are calibrated to

1 MHz at Vcc = 5V, T=25c)

Figure 149. RC Oscillator Frequency vs. Operating Voltage (the devices are calibrated

to 1 MHz at Vcc = 5V, T=25c)

CALIBRATED 1MHz RC OSCILLATOR FREQUENCY

(MHz)

(˚C)

vs. TEMPERATURE

V = 2.7V

V = 5.5V

V = 5.0V

V = 4.5V

V = 4.0V

V = 3.6V

V = 3.3V

V = 3.0V

0.92

0.93

0.94

0.95

0.96

0.97

0.98

0.99

1.01

1.02

1.03

-40 -20 0 20 40 60 80

CALIBRATED 1MHz RC OSCILLATOR FREQUENCY

(MHz)

(V)

T = 85

T = 45

T = 70

vs. OPERATING VOLTAGE

0.92

0.93

0.94

0.95

0.96

0.97

0.98

0.99

1.01

1.02

1.03

2.5 3 3.5 4 4.5 5 5.5

T = -40

T = 25

T = -10

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