Intel® Arria® 10 Core Fabric and General Purpose I/Os Handbook

ID 683461
Date 1/21/2022
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5.6.6.2.1. Guideline: Clocking DPA Interfaces Spanning Multiple I/O Banks

DPA interfaces that use more than 24 channels span multiple I/O banks. Intel recommends that you feed the I/O PLL in each I/O bank of the DPA interface with its own dedicated refclk pin. Follow this recommendation to achieve the maximum DPA LVDS specifications listed in the device datasheet.