Specifications

Chapter 1: Nios II Hardware Development 1–19
Creating the Design Example
May 2011 Altera Corporation Nios II Hardware Development Tutorial
Figure 1–9 shows the Interval Timer parameter editor.
4. Click Finish. You return to the Qsys System Contents tab, and an instance of the
interval timer appears in the system contents table.
5. In the Name column, right-click the interval timer and click Rename.
6. Type
sys_clk_timer and press Enter.
7. Connect the
clk port of the clk_0 clock source to the clk port of the interval timer.
8. Connect the
clk_reset port of the clk_0 clock source to the reset port of the
interval timer.
9. Connect the
data_master port of the Nios II processor to the s1 port of the interval
timer.
f For more information about the timer, refer to the Timer Core chapter in the Embedded
Peripherals IP User Guide.
Add the System ID Peripheral
The system ID peripheral safeguards against accidentally downloading software
compiled for a different Nios II system. If the system includes the system ID
peripheral, the Nios II SBT for Eclipse can prevent you from downloading programs
compiled for a different system.
Figure 1–9. Interval Timer Parameter Editor