Step 2: Specify the lpm_fifo+ Ports & Parameters

To specify the lpm_fifo+ ports and parameters, follow these steps:

  1. Specify the following responses to the wizard prompts in MegaWizard Plug-In Manager - FIFO pages 3 through 7:

  2. Wizard Prompt: Response: Page:
    Create FIFO for which device family? Select Stratix. 3
    How wide should the FIFO be? Select 16 bits. 3
    How deep should the FIFO be? Select 256 words. 3
    Do you want a common clock for reading and writing the FIFO? Select No. 3
    Which optional output control signals do you want? Turn off all options except Asynchronous clear. 5
    Which type of optimization do you want? Make sure Use the default optimization setting defined in the logic synthesis style is selected. 7

  3. Click Next. The Summary page lists the files that are created for the megafunction.

  4. To generate the symbol and return to the Symbol dialog box, click Finish. A preview of the new fifo symbol appears in the Symbol dialog box.

  5. Show Me


To continue the tutorial, proceed to Step 3: Instantiate the lpm_fifo+ Megafunction in the Design.