AXEL Lite SOM/AXEL Lite Hardware/Peripherals/PCI Express

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Issue Date Notes
2020/10/07 New documentation layout

Peripheral PCI Express[edit | edit source]

Description[edit | edit source]

The PCI Express interface available on AXEL Lite is based on i.MX6 SoC and supports the following standards and features:

  • PCI Express Base Specification, Revision 2.0 (including legacy 2.5-Gbps support) @ 5.0 Gbps data rate
  • PCI Express Base Specification, Revision 1.1 @ 2.5Gbps data rate

PHY features[edit | edit source]

  • 5 Gbps data transmission rate
  • Integrated PHY includes transmitter, receiver and PLL
  • Programmable RX equalization
  • 5Gb/s PCIe Gen 2 and 2.5Gb/s PCIe Gen 1.1 test modes

Pin mapping[edit | edit source]

The Pin mapping is described in the Pinout table section