Specifications

1–28 Chapter 1: Nios II Hardware Development
Creating the Design Example
Nios II Hardware Development Tutorial May 2011 Altera Corporation
5. In the PLD_CLOCKINPUT row, double-click in the Location cell to access a list of
available pin locations. Figure 1–16 shows the GUI.
6. Select the appropriate FPGA pin that connects to the oscillator on the board.
1 If your design fails to work, recheck your board documentation for this step
first.
7. In the PLD_CLOCKINPUT row, double-click in the I/O Standard cell to access a
list of available I/O standards.
8. Select the appropriate I/O standard that connects to the oscillator on the board.
9. If you connected the LED pins in the board design schematic, repeat steps 4 to 8
for each of the LED output pins (LEDG[0], LEDG[1], LEDG[2], LEDG[3],
LEDG[4], LEDG[5], LEDG[6], LEDG[7]) to assign appropriate pin locations.
10. On the File menu, click Close to save the assignments.
11. On the Assignments menu, click Device. The Device dialog box appears.
12. Click Device and Pin Options. The Device and Pin Options dialog box appears.
13. Click the Unused Pins page.
Figure 1–16. Assigning Pins with the Quartus II Pin Planner