Altera Cyclone II DSP Development Board Manuale Utente Pagina 19

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Altera Corporation Reference Manual 2–11
August 2006 Cyclone II DSP Development Board
Cyclone II DSP Development Board Components
User Defined DIP Switch (S1)
S1 is a user-defined octal DIP switch available for general-purpose use. It
must be defined by the user before it can be used. In the open position,
the selected signal is driven to logic 1. In the closed position, the selected
signal is driven to logic 0. Table 2–4 lists the pin-outs of the user DIP
switch. Figure 2–4 shows the switch labels on the switch, the labels on the
printed circuit board (PCB), and shows the open and closed switch
positions.
Figure 2–4. User-Defined Dipswitch (S1)
Table 2–4. User-Defined Dipswitch Pin-Outs
DIP Switch
Label
Board
Reference
Schematic Signal
Name
Cyclone II (U12)
Pin Number
10
USER_DIPSW0 AC13
21
USER_DIPSW1 A19
32
USER_DIPSW2 C21
43
USER_DIPSW3 C23
54
USER_DIPSW4 AF4
65
USER_DIPSW5 AC20
76
USER_DIPSW6 AE18
87
USER_DIPSW7 AE19
Closed Position
Logic 0
Open Position
Logic 1
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