Specifications

Altera Corporation 1–29
October 2007
Nios II Hardware Development Tutorial Creating the Example Design
2. Under Libraries:, expand Project.
3. Click first_nios2_system. The Symbol dialog box displays the
first_nios2_system symbol.
4. Click OK. You return to the Block Diagram File schematic. The
first_nios2_system symbol tracks with your mouse pointer.
5. Position the symbol so the inputs on the symbol align with the wires
on the left-hand side of the Block Diagram File.
6. Click the left mouse button to drop the symbol in place.
7. If your target board has LEDs that the Nios II system can drive,
perform the following step to connect the LEDG[7..0] output pins to
the first_nios2_system.
v Click and drag LEDG[7..0] to connect it with the port
out_port_from_the_led_pio[7..0] on the first_nios2_system
symbol.
Figure 1–15 shows the completed Board Design File schematic using the
LED pins.
Figure 1–15. Completed Board Design File Schematic
8. If you are targeting a custom board that does not have LEDs, you
must delete the LEDG[7..0] pins. To delete the pins, perform the
following steps:
a. Click the output symbol LEDG[7..0] to select it.
b. Press Delete.
9. To save the completed Block Diagram File, click Save on the File
menu.