Datasheet

31
XMEGA B1 [DATASHEET]
Atmel-8330F-AVR-ATxmega64B1-128B1_datasheet–02/2014
15.3.1 Push-pull
Figure 15-1. I/O configuration - Totem-pole
15.3.2 Pull-down
Figure 15-2. I/O configuration - Totem-pole with pull-down (on input)
15.3.3 Pull-up
Figure 15-3. I/O configuration - Totem-pole with pull-up (on input)
15.3.4 Bus-keeper
The bus-keeper’s weak output produces the same logical level as the last output level. It acts as a pull-up if the last level
was ‘1’, and pull-down if the last level was ‘0’.
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OUTn
DIRn
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