ATA8743 Datasheet, PDF (221/238 Pages) ATMEL Corporation – Microcontroller with UHF ASK/FSK Transmitter

ATA8743
Figure 30-31. BOD Threshold vs. Temperature (BODLEVEL is 1.8V)
BANDGAP VOLTAGE vs . TEMP ERATURE
BOD = 1.8V
1.85
1.84
1
1.83
1.82
1.81
0
1.8
1.79
1.78
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120
Temperature (C)
30.9 Internal Oscillator Speed
Figure 30-32. Watchdog Oscillator Frequency vs. V_CC
WATCHDOG OS CILLATOR FREQUENCY vs . OP ERATING VOLTAGE
124
122
120
-40 ˚C
118
116
25 ˚C
114
112
85 ˚C
110
108
106
125 ˚C
104
2.5
3
3.5
4
4.5
5
5.5
V_CC (V)
9152A–INDCO–07/09
221