Download DE2 Development and Education Board User Manual

Figure 3–4 The DE4 Control Panel concept
The DE4 Control Panel can be used to illuminate the LEDs, change the values displayed on
7-segment displays, monitoring buttons/switches status, read/write from various memory types, in
addition to testing various components of the DE4 board.
3.2 Controlling the LEDs and 7-Segment Displays
One of the functions of the Control Panel is to set up the status of the LEDs and 7-segment displays.
The tab-window shown in Figure 3–5 indicates where you can directly turn all the LEDs on or off
individually by selecting them and clicking “Light All” or “Unlight All”.
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