Altera Arria 10 Avalon-ST - Manual (Page 10)

Table 1-2: Feature Comparison for all Hard IP for PCI Express IP Cores
The table compares the features of the four Hard IP for PCI Express IP Cores.
Feature Avalon-ST Interface Avalon-MM
Interface
Avalon-MM DMA Avalon-ST Interface with SR-
IOV
IP Core License Free Free Free Free
Native
Endpoint
Supported Supported Supported Supported
Legacy
Endpoint (1)
Supported Not Supported Not Supported Not Supported
Root port Supported Supported Not Supported Not Supported
Gen1 ×1, ×2, ×4, ×8 ×1, ×2, ×4, ×8 Not Supported
×8
Gen2 ×1, ×2, ×4, ×8 ×1, ×2, ×4, ×8 ×4, ×8
×4, ×8
Gen3 ×1, ×2, ×4, ×8 ×1, ×2, ×4 ×2, ×4, ×8
×2, ×4, ×8
64-bit Applica‐
tion Layer
interface
Supported Supported Not supported Not supported
128-bit
Application
Layer interface
Supported Supported Supported Supported
256-bit
Application
Layer interface
Supported Not Supported Supported Supported
Maximum
payload size
128, 256, 512,
1024, 2048 bytes
128, 256 bytes 128, 256 bytes 128, 256 bytes
Number of tags
supported for
non-posted
requests
256 8 16 256
(1) Not recommended for new designs.
UG-01145_avst
2015.05.04
Arria 10 Features 1-3
Datasheet Altera Corporation
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