ATMEGA164PA_1 Datasheet, PDF (407/468 Pages) ATMEL Corporation – 8-bit Microcontroller with 16/32/64/128K Bytes In-Sytem Programmable Flash

ATmega164PA/324PA/644PA/1284P
Figure 28-123.ATmega644PA: Reset Pin Input Threshold vs. V_CC (V_IL, I/O Pin Read as ‘0’).
2.5
85 °C
25 °C
2
-40 °C
1.5
1
0.5
0
1.5
2
2.5
3
3.5
4
4.5
5
5.5
V_CC (V)
Figure 28-124.ATmega644PA: Reset Pin Input Hysteresis vs. V_CC
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
1.5
2
2.5
3
3.5
4
4.5
5
V_CC (V)
-40 °C
25 °C
85 °C
5.5
8152G–AVR–11/09
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