ATXMEGA128B1 Datasheet, PDF (95/138 Pages) ATMEL Corporation – 8/16-bit Atmel XMEGA B1 Microcontroller

Figure 37-13.I/O pin pull-up resistor current vs. input voltage.
V_CC = 3.0V.
140
120
100
80
60
40
20
0
0
0.3
0.6
0.9
1.2
1.5
1.8
2.1
2.4
2.7
V_PIN [V]
85°C
25°C
-40°C
3
Figure 37-14.I/O pin pull-up resistor current vs. pin voltage.
V_CC = 3.3V.
160
140
120
100
80
60
40
85°C
20
25°C
-40°C
0
0
0.35 0.7 1.05 1.4 1.75 2.1 2.45 2.8 3.15 3.5
V_PIN [V]
XMEGA B1 [DATASHEET] 95
8330C–AVR–07/2012