Altera Arria 10 Avalon-ST User 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