Altera Cyclone II FPGA Starter Development Board Manual do Utilizador descarregar pdf (Página 36)

2–18 Reference Manual Altera Corporation

Cyclone II FPGA Starter Development Board October 2006

Development Board Components

connects directly to a pin on the FPGA. In the DOWN or OFF position

(closest to the edge of the board), a switch provides a LOW logic level (0

volts) to the FPGA. In the UP position a switch provides a HIGH logic

level (3.3 volts).

Figure 2–13. Toggle Switches SW0–SW9 and Red LEDs LEDR0-LEDR9

Toggle Switch Schematic

Figure 2–14 shows a schematic diagram of the toggle switches.

Figure 2–14. Toggle Switch Schematic Diagram

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Altera Cyclone II FPGA Starter Development Board Manual do Utilizador Página 36