Datasheet

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4. Jumper settings for
reference voltage
In order to set reference voltage (Vref) it is necessary to place jumper J1 in adequate
position. To use reference voltage of 4.096V place jumper J1 to 4.096 position, Figure
4-1. For VCC reference voltage (3.3V or 5V depends on development system in use)
place jumper J1 in VCC position, Figure 4-2.
Figure 4-1: Ref. voltage is 4.096V
Figure 4-2: Ref. voltage is VCC