Altera Cyclone II DSP Development Board Manuel d'utilisateur Page 18

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2–10 Reference Manual Altera Corporation
Cyclone II DSP Development Board August 2006
User Interfaces
User-Defined LEDs (D2 Through D9)
The Cyclone II DSP development board provides eight user-defined
LEDs. D2 through D9 are connected to general purpose I/O pins on the
EP2C70 FPGA as listed in Table 2–3. When the EP2C70 FPGA drives logic
0, the corresponding LED turns on.
Figure 2–3 shows the user-defined LEDs.
Figure 2–3. User-Defined LED0 Through LED7
Table 2–3. User-Defined LED Pin-Outs
LED
Number
Board
Reference
Schematic Signal
Name
Cyclone II (U12) Pin
Number
7D2
USER_LED7 AA7
6D3
USER_LED6 AA6
5D4
USER_LED5 AB4
4D5
USER_LED4 AC3
3D6
USER_LED3 E22
2D7
USER_LED2 F20
1D8
USER_LED1 B3
0D9
USER_LED0 E5
7
D2
6
D3
5
D4
4
D5
3
D6
2
D7
1
D8
0
D9
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