Constraining the Subsystem - 1.2 English

USXGMII Ethernet Subsystem Product Guide (PG251)

Document ID
PG251
Release Date
2023-12-12
Version
1.2 English

This section contains information about constraining the subsystem.

Required Constraints

The USXGMII IP core is delivered with the AMD XDC constraints file.

Device, Package, and Speed Grade Selections

The USXGMII IP core is available for allAMD UltraScale™ , AMD UltraScale+™ and AMD Versal™ adaptive SoC devices and transceivers.

Clock Frequencies

The USXGMII IP core has two clocks. Both clocks are 312.5 MHz. The clk provides a clock to the TX and RX AXI4-Stream datapath. This clock must be the user interface clock generated by the GT TXUSRCLK output. The rx_serdes_clk is generated by the GTs RX interface as the RXUSRCLK output.

Clock Management

Not Applicable

Clock Placement

Not Applicable

Banking

Not Applicable

Transceiver Placement

Not Applicable

I/O Standard and Placement

Not Applicable