ATXMEGA128B1 Datasheet, PDF (98/138 Pages) ATMEL Corporation – 8/16-bit Atmel XMEGA B1 Microcontroller

Figure 37-19.I/O pin output voltage vs. sink current.
V_CC = 3.0V.
0.6
85°C
0.54
25°C
0.48
-40°C
0.42
0.36
0.3
0.24
0.18
0.12
0.06
0
0
2
4
6
8
10 12 14 16 18 20
I_PIN [mA]
Figure 37-20.I/O pin output voltage vs. sink current.
V_CC = 3.3V.
0.4
85°C
0.35
25°C
0.3
-40°C
0.25
0.2
0.15
0.1
0.05
0
0
2
4
6
8
10
12
14
16
18
20
I_PIN [mA]
XMEGA B1 [DATASHEET] 98
8330C–AVR–07/2012