Altera Nios II, Руководство по разработке аппаратного обеспечения

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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