Altera Phase-Locked Loop Reconfiguration IP Core Manuel d'utilisateur télécharger pdf (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.

Figure 10 and Figure 11 show the expected simulation results in the ModelSim-Altera

software. Figure 11 shows the change in

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)

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Altera Phase-Locked Loop Reconfiguration IP Core Manuel d'utilisateur Page 14