
Feature Avalon‑ST Interface Avalon‑MM
Interface
Avalon‑MM DMA Avalon‑ST Interface with SR-
IOV
Transaction
Layer Packet
type (TLP)
• Memory Read
Request
• Memory Read
Request-
Locked
• Memory Write
Request
• I/O Read
Request
• I/O Write
Request
• Configuration
Read Request
(Root Port)
• Configuration
Write Request
(Root Port)
• Message
Request
• Message
Request with
Data Payload
• Completion
Message
• Completion
with Data
• Completion for
Locked Read
without Data
• Memory Read
Request
• Memory Write
Request
• I/O Read
Request—Root
Port only
• I/O Write
Request—Root
Port only
• Configuration
Read Request
(Root Port)
• Configuration
Write Request
(Root Port)
• Completion
Message
• Completion
with Data
• Memory Read
Request (single
dword)
• Memory Write
Request (single
dword)
• Memory Read
Request
• Memory Write
Request
• Completion
Message
• Completion
with Data
• Memory Read Request
• Memory Write
Request
• Configuration Read
Request (from Root
Port)
• Configuration Write
Request (from Root
Port)
• Message Request
• Completion Message
• Completion with Data
Payload size
128–2048 bytes 128–256 bytes 128, 256, 512 bytes 128–256 bytes
Number of tags
supported for
non-posted
requests
256 8 16 256
62.5 MHz clock Supported Supported Not Supported Not Supported
1-4
Features
UG-01097_sriov
2014.12.15
Altera Corporation
Datasheet
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