10G/25G Runtime Switchable IP features - 4.1 English

10G/25G High Speed Ethernet Subsystem Product Guide (PG210)
Document ID
PG210
Release Date
2024-06-07
Version
4.1 English
  • Complete MAC and PCS features
  • Base-KR mode based on IEEE 802.3 Clause 49
  • Statistics and Diagnostics
  • 66-bit SerDes interface using AMD GTY transceiver
  • Custom preamble and adjustable InterFrame Gap
  • Pause Processing
  • 64-bit AXI4-Stream interface
  • Optional Clause 73 Auto-negotiation
  • Optional Clause 72 Link Training
  • Optional Clause 74 FEC
Table 1. Feature Compatibility Matrix (GTY)
Variant User Interface MAC PCS Pause Processing Auto- Negotiation and Link Training 3 Clause 74 FEC Clause 108 RS-FEC IEEE 1588 Time Stamp
10G MAC with PCS 64-bit AXI4-Stream X X X X X   X
Low Latency 10G MAC with PCS 64-bit AXI4-Stream X X          
Low Latency 10G MAC with PCS 32-bit AXI4-Stream X X   X 2      
Low Latency 25G MAC with PCS 64-bit AXI4-Stream X X          
25G MAC with PCS 64-bit AXI4-Stream X X X X X X X
Runtime switchable 10G/25G MAC+PCS 64-bit AXI4-Stream X X X X X X X
10G PCS-only XGMII   X   X X   X 1
25G PCS-only 25GMII   X   X X X X 1
Runtime switchable 10/25G PCS-only

XGMII/

25GMII

   X   X X X X 1
10G MAC-only 64-bit AXI4-Stream X   X        
Preemption (802.1CM) 10G/25G only 64-bit AXI4-Stream X X         X
  1. Only 2-step timestamping is supported with the PCS-only configurations.
  2. Only auto-negotiation logic.
  3. Auto-Negotiation and Link Training is not supported for Versal device family.
Table 2. Feature Compatibility Matrix (GTM)
Variant User Interface MAC PCS Pause Processing Auto- Negotiation and Link Training 2 Clause 74 FEC Clause 108 RS-FEC IEEE 1588 Time Stamp
10G MAC with PCS 64-bit AXI4-Stream X X X   X   X
Low Latency 10G MAC with PCS 64-bit AXI4-Stream X X          
Low Latency 25G MAC with PCS 64-bit AXI4-Stream X X          
25G MAC with PCS 64-bit AXI4-Stream X X X   X X X
10G PCS-only XGMII   X     X   X 1
25G PCS-only 25GMII   X     X X X 1
Preemption (802.CM) 10G/25G only 64-bit AXI4-Stream X X         X
  1. Only 2-step timestamping is supported with the PCS-only configurations.
  2. Auto-Negotiation and Link Training is not supported for GTM devices.