Altera Nios Development Board Manuale Utente Pagina 35

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Altera Corporation 1–27
December 2004 Nios Development Board Reference Manual, Cyclone Edition
Board Components
Figure 1–19. Safe Config Button
SW9 – Force Safe
Pressing Force Safe (SW9) commands the configuration controller to re-
configure the Cyclone device with the factory-programmed safe
configuration.
SW10 – Power-On Reset
Power-On Reset (SW10) is the power-on reset button (see Figure 1–20).
When SW10 is pressed, a logic 0 is driven to the power-on reset controller
(U18). See “Power-Supply Circuitry” on page 1–28 for more details. After
SW10 is pressed, the configuration controller will load the Cyclone device
from flash memory.
Figure 1–20. Power-On Reset Configuration Button
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