# PCIE_X4

## Description:

PCI Express for CertusPro-NX IP Core, also named PCIE_X4, is a high speed serial IO interface that supports 2.5 GT/s, 5.0 GT/s and 8.0 GT/s data rates.
This IP Core supports Endpoint mode with up to 4 lanes and 256 bits user interface.
Bifurcation options can support up to two Links with Link and Lane configurations such as 1x4, 1x2, and 1x1.
Multi-function is supported (each Link) with up to 4 physical functions for Endpoint mode.

## Devices Supported:

CertusPro-NX, MachXO5T-NX (LFMXO5-55T, LFMXO5-100T), MachXO5D-NX (LFMXO5-55TD, LFMXO5-55TDQ, LFMXO5-65TDQ)

## References

- IP Release Notes
- Lattice Avant and Nexus Linux PCIe Host Non-DMA Driver User Guide
- User Guide