Euresys Coaxlink 1629, Hardware Manual

Page: 32 / 75

32
3.2. PCI Express Interface
Specification of the PCI Express Interface
The PCI Express Interface implements a PCIe end-point interface and provides electrical power to
the Coaxlink card.
PCI Express end-point type per product
Product Type
1629 Coaxlink Duo PCIe/104-EMB "4-lane Rev 2.0 PCIe end-point" below
1634 Coaxlink Duo PCIe/104-MIL "4-lane Rev 2.0 PCIe end-point" below
4-lane Rev 2.0 PCIe end-point
Applies to:
The 4-lane Rev 2.0 PCIe end-point:
● complies with Revision 2.0 of the PCI Express Card Electromechanical specification.
● supports 1-lane, 2-lane, and 4-lane link width
● supports PCIe Rev 2.0 link speed (5.0 GT/s with 8b/10b coding)
● supports PCIe Rev 1.0 link speed (2.5 GT/s with 8b/10b coding)
● supports payload size up to 512 bytes
● offers the optimal performance when it is configured for 4-lane PCIe Rev 2.0 link speed (5
GT/s)
4-lane Rev 3.0 PCIe end-point to PC memory data transfer performance
Parameter Conditions Min. Typ. Max. Unit
Sustainable output data rate
4-lane @ 5 GT/s (PCIe Rev 2.0) 1,600 MB/s
4-lane @ 2.5 GT/s (PCIe Rev 1.0) 800 MB/s
2-lane @ 5 GT/s (PCIe Rev 2.0) 800 MB/s
Coaxlink Hardware Manual