Datasheet

293
7734Q–AVR–02/12
AT90PWM81/161
Figure 23-26. V
REF
voltage vs. temperature.
23.10 Internal Oscillator Speed
Figure 23-27. Watchdog oscillator frequency vs. V
CC
.
INTERNAL VREF vs TEMPERATURE
5.5V
2.7V
2.35
2.4
2.45
2.5
2.55
2.6
2.65
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120
Temperature (°C)
Aref (V)
WATCHDOG OSCILLATOR FREQUENCY vs . OPERATING VOLTAGE
125°C
105°C
25°C
-40°C
0.1
0.105
0.11
0.115
0.12
0.125
0.13
0.135
0.14
2.7 3.2 3.7 4.2 4.7 5.2
V
CC
[V]
F
RC
[MHz]