7-Segment Displays

  
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The DE2 Board has eight 7-segment displays. These displays are arranged into two pairs and a group of four, with the intent of displaying numbers of various sizes. As indicated in the schematic in Figure 1, the seven segments are connected to pins on the Cyclone II FPGA. Applying a low logic level to a segment causes it to light up, and applying a
7-Segment Displays - schematic

high logic level turns it off. Each segment in a display is identified by an index from 0 to 6, with the positions given in Figure 2. Note that the dot in each display is unconnected and cannot be used. Table 1 shows the assignments of FPGA pins to the 7-segment displays.



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