DisplayPort Intel® FPGA IP Design Example User Guide: Agilex™ 5 FPGAs

ID 823560
Date 12/20/2024
Public

A newer version of this document is available. Customers should click here to go to the newest version.

Document Table of Contents

3.3. DisplayPort SST Parallel Loopback without PCR with Duplex Mode

For designs with supported HSSI IP targeting Agilex 5 FPGAs, you can generate a Duplex PHY. If your board layout supports Duplex, instantiate a Duplex PHY to simplify your design. This approach eliminates the need for the DS tool and its complex work flow.
To generate a Duplex design example, go to the Design Example IP tab, expand PHY Structure, and select Transceiver Construction, as shown below. This option is hidden for Receiver or Transmitter only design examples as the Dual Simplex tool does not apply to these configurations.
Figure 10. Duplex Mode

Use Duplex mode when both the TX and RX transceivers handle the DisplayPort protocol. This approach eliminates the need for dual-simplex tools and HSSI Generation logic, resulting in a simpler design flow for supported configurations.

All RX/TX design examples enable users to explore both Duplex and Dual Simplex flows.

The following figure illustrates a Duplex PHY with one instance of Direct PHY_GTS embedded within the GTS DisplayPort PHY Altera® FPGA IP.
Figure 11. Duplex PHY

DisplayPort PHY Duplex Mode IP Generation Flow

When you generate a duplex mode design example, a single transceiver core appears in the top-level Verilog of the design example, as shown below:
Figure 12. Duplex PHY IP Top-Level Module
The DS tool is grayed out since the design does not include any simplex IPs.
Figure 13. Dual Simplex (DS) Assignment Editor