Datasheet

407
ATmega640/1280/1281/2560/2561
2549K–AVR–01/07
Figure 197. Reset Pin Input Hysteresis vs. V
CC
BOD Threshold and
Analog Comparator
Offset
Figure 198. BOD Threshold vs. Temperature (BOD Level is 4.3 V)
RESET PIN INPUT HYSTERESIS vs. V
CC
85˚C
25˚C
-40˚C
0
0,1
0,2
0,3
0,4
0,5
0,6
0,7
1,5 2 2,5 3 3,5 4 4,5 5 5,5
V
CC
(V)
Input Hy
steresis (mV)
Rising Vcc
Falling Vcc
BOD THRESHOLDS vs. TEMPERATURE
BODLEVELS IS 4.3V
4.2
4.25
4.3
4.35
4.4
-60 -40 -20 0 20 40 60 80 100
Temperature (C)
Threshold (V)