Rainbow-electronics ATmega32L Bedienungsanleitung PDF herunterladen (Seite 295)

100

101

295

ATmega32(L)

2503C–AVR–10/02

Figure 152. RC Oscillator Frequency vs. Temperature (the devices are calibrated to

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

Figure 153. RC Oscillator Frequency vs. Operating Voltage (the devices are calibrated

to 4 MHz at Vcc = 5V, T=25c)

CALIBRATED 4MHz 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

3.6

3.65

3.7

3.75

3.8

3.85

3.9

3.95

4.05

4.1

-40 -20 0 20 40 60 80

CALIBRATED 4MHz RC OSCILLATOR FREQUENCY

(MHz)

(V)

T = 45

T = 70

vs. OPERATING VOLTAGE

T = 25

T = -10

3.6

3.65

3.7

3.75

3.8

3.85

3.9

3.95

4.05

4.1

2.5 3 3.5 4 4.5 5 5.5

T = -40

T = 85

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