Adding a Clocking Wizard - 2022.1 English

If the design requires clocking in addition to the clock generated by the Memory IP core, you need to add a Clocking wizard IP into the block design.

1. Select the Add IP command, type Clock into the search field, and select the Clocking Wizard IP. The following figure shows a Clock Wizard IP with a Memory IP core within a design.
   
   

   Follow these steps to connect the Clocking Wizard to the Memory IP core:

2. Connect the ui_clk or ui_addn_clk_0 output of the Memory IP, as well as any other clocks generated, to the clk_in1 input of the Clocking wizard, as shown in the following figure.
   Tip: Make sure to use the appropriate output clock pin with the desired frequency.
3. For the UltraScale Memory IP, connect the c0_ddr4_ui_clk pin to the Clocking Wizard, as shown in the following figure.
   
   
4. Connect the ui_clk_sync_rst pin of the Memory IP core to the reset pin of the Clocking wizard, as shown below.
5. For the UltraScale Memory IP, connect the c0_ddr4_ui_clk_sync_rst pin to the Clocking wizard, shown in the following figure.
   
   
6. Configure the Clocking wizard to generate any required clocks for the design, by double-clicking the IP.