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| S2-3 | S2-4 | 3.3V (VCC) Pin 5 | VIO Pin 6 | Description |
|---|---|---|---|---|
| OFF | OFF | 3.3V from base (input**) | VIO from base (input**) | 3.3V (pin 5) and VIO (pin 6) sourced from base |
| OFF | ON | 3.3V from USB* (output**) | VIO from base (input**) | VIO sourced from base by Pin 6 |
| ON | OFF | 3.3V from base (input**) | 3.3V from base (input**) | VIO sourced by and 3.3V source by base (Pin 5 and Pin 6 and drive Pin 5are shorted and both must be sourced 3.3V) |
| ON | ON | 3.3V from USB* (output**) | 3.3V from USB* (output**) | 3.3V (pin 5) and VIO (pin 6) sourced USB ((Pin 5 and Pin 6 are shorted and both are 3.3V) |
Table 8: DIP-switch S2 power setting description. *Attention: don't supply voltage from base if pin sourced from USB!
**view of XMOD, *max. 100mA for external components (I'ts not recommended to supply FPGA Module), Attention: Do not use this setting, if base power supply is connected to this pins! For more details see Power supply of the adapter board section.
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