AM5728: PCIe clock requirements - Processors forum

The following chart shows the evolution of the PCIe specification over time: PCie Specification, Data Rate per Lane , Encoding, x16

Remember, the specification only requires 85 ohms for the PCB routing when using the interoperable CEM slot When it comes to connectors, cables

pcie cem Future PCIe CEM specifications can be easily supported, due to the MP1900A's flexible multi-channel platform and software architecture

pcie cem spec PCI Express* Specifications Root Complex IDE Key Configuration Unit PCI Express* CEM Connector High Speed Electrical Test Procedure · PCI