Altera Stratix V Avalon-ST - Manual (Page 21)

Parameter Settings
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System Settings
Table 3-1: System Settings for PCI Express
Parameter Value Description
Lane Rate Gen1 (2.5 Gbps)
Gen2 (2.5/5.0 Gbps)
Gen3 (2.5/5.0/8.0
Gbps)
Specifies the maximum data rate at which the link can operate.
Number of Lanes ×1, ×2, ×4, ×8 Specifies the maximum number of lanes supported.
Port type Native Endpoint Specifies the port type. SR-IOV is only available for the Native
Endpoint in the current release.
The Endpoint stores parameters in the Type 0 Configuration
Space.
PCI Express Base
Specification
version
2.1, 3.0 Select either the 2.1 or 3.0 specification.
Application
interface
Avalon-ST 256-bit
Avalon-ST 128-bit This core supports either a 128- and 256-bit Avalon-ST
interface to the Application Layer.
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