Altera Nios Development Board Cyclone II Edition Manual do Utilizador descarregar pdf (Página 47)

Altera Corporation Reference Manual 2–35

May 2007 Nios Development Board Cyclone II Edition

Board Components

Figure 2–15. CPU Reset Button

SW9 – Factory Config

Pressing Factory Config (SW9) commands the configuration controller to

reconfigure the FPGA with the factory configuration. Refer to

Figure 2–16.

Figure 2–16. Factory Config Button

SW10 – Reset, Config

Reset, Config (SW10) is the power-on reset button. Refer to Figure 2–17.

When SW10 is pressed, a logic 0 is driven to the power on reset controller

(U18). Refer to “Power-Supply Circuitry” on page 2–44 for more details.

Whenever SW10 is pressed, the configuration controller attempts to

reconfigure the FPGA.

CPU

Reset

SW8

Factory

Config

SW9

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Altera Nios Development Board Cyclone II Edition Manual do Utilizador Página 47