Altera Phase-Locked Loop Reconfiguration IP Core User Manual
Page 14

Page 14
Design Example
Phase-Locked Loop Reconfiguration (ALTPLL_RECONFIG) Megafunction
February 2012
Altera Corporation
6. Launch the ModelSim-Altera software.
7. On the File menu, click Change Directory.
8. Select the folder in which you unzipped the files.
9. Click OK.
10. On the Tools menu, click Execute Macro.
11. Select the altpll_reconfig_ex1_msim.do file and click Open. This is a script file for
ModelSim-Altera software to automate all the necessary settings for the
simulation.
12. Verify the results shown in the Wave window.
You can rearrange, remove, and add signals, and change the radix by modifying the
script altpll_reconfig_ex1_msim.do.
show the expected simulation results in the ModelSim-Altera
software.
shows the change in
c0
frequency starting from 12.75 ms.
Figure 10. Simulation Results in the ModelSim-Altera Software (8.9 to 9.5 ms)
Figure 11. Simulation Results in the ModelSim-Altera Software (9.5 to 13.5 ms)